The fate of R7 differentiation in a fly with an inactive seven less receptor and a constitutively active Ras in the progenitor R7 cell is that the R7 progenitor will differentiate into the R7 neuron.
What does progenitor cell mean?A progenitor cell is a biological cell that has the ability to differentiate into another type of cell. This ability is shared by stem cells and progenitor cells. Stem cells, on the other hand, are less specific than progenitor cells.
Only the "target" cell type can develop from progenitor cells. The most significant distinction between stem cells and progenitor cells is that stem cells may replicate continuously, but progenitor cells can only divide a set number of times. There is an ongoing debate over the precise definition, and the concept is continually changing.
The phrases "progenitor cell" and "stem cell" are occasionally used interchangeably.
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The small structures within the cytoplasm of a eukaryotic cell that performs specific functions are called ______.
The small structures within the cytoplasm of a eukaryotic cell that performs specific functions are called organelles.
What are organelles ?
Organelles are specialized organelles that carry out particular tasks in eukaryotic cells. The nucleus, which houses the genetic material of the cell, the mitochondria, which produce the energy for the cell, the lysosomes, which degrade waste products, the endoplasmic reticulum, and the Golgi apparatus are some examples of organelles (which are involved in protein synthesis and modification).
Each organelle has a distinct shape and function, and together they enable the cell to carry out all of its essential tasks, from energy production to protein and lipid synthesis. One of the primary distinctions between eukaryotes and prokaryotes (such as bacteria), which lack these specialized structures, is the existence of organelles in eukaryotic cells.
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pitcher plants are carnivorous plants that grow in areas where the soil contains low levels of key nutrients such as nitrogen. to obtain these nutrients, most pitcher plants capture prey using traps containing a digestive fluid. the captured prey are then broken down and digested, and the pitcher plant absorbs the nutrients. the traps of one species of pitcher plant, nepenthes hemsleyana, do not contain digestive fluid. instead they provide a suitable place for woolly bats (kerivoula hardwickii) to sleep. the feces from the bat are released into the trap where nutrients in the feces are absorbed and provide the plant with the nitrogen it needs. which of the following best describes the relationship between the pitcher plant and the woolly bat? responses the relationship is an example of parasitism because the bat is harmed while the plant benefits. the relationship is an example of parasitism because the bat is harmed while the plant benefits. the relationship is an example of mutualism because both the plant and the bat benefit. the relationship is an example of mutualism because both the plant and the bat benefit. the relationship is an example of commensalism because the plant benefits but the bat is unaffected. the relationship is an example of commensalism because the plant benefits but the bat is unaffected. the relationship is an example of commensalism because the plant is unaffected while the bat benefits.
Primary succession happens when a pristine environment is exposed (lava flow). Pitcher plants are carnivorous plants that may survive in areas with little nitrogen in the soil.
The majority of pitcher plants catch animals using digestive fluid-filled traps in order to obtain these nutrients. Most plants get adequate nitrogen from the soil's nitrates. Carnivorous plants must obtain their nitrogen from the digestion of their food because nitrates are in short supply where they can flourish. Nepenthes plants are carnivorous and eat insects mostly for food. They accomplish this using specialised pitfall traps known as "pitchers," which draw in, capture, and devour insects.
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PLEASE HURRY I NEED THIS NOW! 40 POINTS AND BRAINLIEST
Write a story about some kind of life (bacteria is allowed) found on one of the other planets we discussed today. Explain how it lives
International Space Station (ISS) astronauts discover for the first time alien microbes in outer space. Surprisingly, these microbes were found in the corridors of the ISS. Because it was identified as alien and not from Earth, they nicknamed it the 'alien' microbe. Unlike other microbes previously discovered, this one was not actually sent to Earth. The astronauts agreed to research the characteristics of these microbes directly from the ISS. In the identification stage, they also isolated the microbial cell nucleus and multiplied the DNA samples to determine their origin.
Extraterrestrial LifeExtraterrestrial life is defined as life that does not originate from planet Earth. The existence of life outside this planet is still only a theory and estimates about this life are still being coined. Stephen Hawking and Carl Sagan argue that it is impossible for life to exist only on Earth.
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The macromolecule that can accomplish the widest range of biological functions are
A. carbohydrates
B. proteins
C. nucleic acids
D. lipids
E. glycolipids
Proteins are the biological macromolecules that can perform the most diverse range of biological tasks. The human body is made up of protein, which may be found in almost every organ, tissue, and body part.
What is a bodily organ?An organ is a group of tissues that together physically create a functional entity with a specific purpose in biology. Several organs include your heart, kidneys, & lungs.
how many organs are present in a body?The body of an adult has a total of 78 major organs. The development of several organ systems depends on the coordination of these organs. The survival of five of these 78 organs is seen to be essential. The kidneys, liver, lungs, heart, and brain are some of these.
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Plasmids are distinguished from bacterial chromosomes in that
Plasmid DNA is a part of extrachromosomal DNA which is distinct from genomic DNA. It frequently takes inside prokaryotic cells and has a circular shape. It is a smaller molecule than Bacterial chromosomes, with different numbers of copies in every cell.
What are bacterial chromosomes called?Bacterial chromosomes is called as nucleoid. It has genetic material inside and strange shape. It may also known as a Genophores. The nucleoid, a unique cytoplasmic structure in which double stranded DNA is covered with proteins that resemble histones, is where bacterial chromosomes are found. Although it appears that most bacteria have a single, sizable circular chromosomes.
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banting’s method of isolating insulin involved a surgical procedure to tie off ducts in the pancreas, waiting several weeks, then removing the pancreas. true or false
False. In order to prevent the digestive enzymes from damaging the insulin, Banting's method of isolating it involved tying off the pancreatic ducts.
The discovery of insulin and its therapeutic promise for the treatment of diabetes made Canadian medical scientist Frederick Banting famous. Diabetes was a terrible and frequently fatal illness in the early 20th century, and there was no proven cure. Banting and his colleague Charles Best created a technique to separate insulin from the pancreas, which resulted in the first effective use of insulin injections to treat diabetes. Their breakthrough transformed medicine and resulted in countless lives being saved. He received several accolades and medals for his work, including the Nobel Prize in Physiology or Medicine in 1923.
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A white-eyed female fruit fly is crossed with a red-eyed male. Red eyes are dominant, and X-linked. What are the expected phenotypes of the offspring?
The expected phenotypes of the offspring is that males and females will both have red eyes, with half of the males having red eyes and the other half having white eyes.
Fruit flies frequently invade houses with overripe, mouldy, or rotten produce. Additionally, they like fermented drinks like beer, whisky, and wine. Drainage system, sewage system, waste bins, and mop buckets are additional places where fruit flies may spawn and develop.
The phenotype, in genetics, is a group of an organism's qualities or visible features. The word includes an organism's anatomy, developmental processes, physiological and biochemical characteristics, behaviour, and the outcomes of behaviour.
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which four elements make up the bulk of living cells?
The four elements that make up the bulk of living cells are carbon, hydrogen, oxygen, and nitrogen.
All organic compounds, including the main biological molecules of cells including carbohydrates, lipids, proteins, and nucleic acids, are built on the basis of carbon.
The second most prevalent element in living cells is hydrogen, which forms bonds with other elements to produce a variety of biological compounds, including lipids and carbohydrates.
The process by which cells transform the energy held in glucose into a form that can be utilized by the cell, known as cellular respiration, requires oxygen, making it a vital component of life.
Nitrogen: Nitrogen plays a crucial role in the construction of numerous biological components, such as the amino acids that make up proteins and the nucleotides that make up DNA and RNA.
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Which stratum of the epidermis contains cells undergoing mitosis?
A. stratum spinosum
B. stratum basale
C. stratum lucidum
D. stratum corneum
The stratum basale is the layer of the epidermis that goes through mitosis and introduces different epidermal cells.
What is the mitosis, defined simply?The division of a single mum cells into two daughter cells, pronounced (my-TOH-sis). A whole chromosome set from parent cell are transferred to each homologous chromosome. The body may grow new cells through this mechanism.
What occurs in during mitosis?A cell differentiates into two identical sister chromatids after duplicating all of its components, including its chromosomes. Due to the importance of that kind of procedure, certain genes carefully regulate each phase of mitosis.
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tay-sachs occurs when cannot clean up cellular debris.
Tay-sachs occurs when lysosomes cannot clean up cellular debris which ultimately kills nervous system cells.
By the time a kid reaches the age of four, Tay Sachs causes lysosomes to overflow with fatty debris, which damages and ends up killing nervous system cells. Kids with Tay-Sachs disease have cognitive incapacity, seizures, loss of vision and hearing, and involuntary muscular twitching as the disease worsens.
Organic waste left over when a cell dies—a natural result of a cell life cycle—is referred to as cellular debris. Due to damage from harmful physical, chemical, viral, biological, dietary, or immunological causes, healthy cells can degrade into cell debris.
The question is incomplete, find the complete question here
Tay-sachs occurs when ____ cannot clean up cellular debris which ultimately kills nervous system cells.
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Explain what happens during reverse transcription.
During reverse transcription from the RNA, the DNA is formed, and this is done by the enzyme called reverse transcription, which is generally found in some of the viruses and pathogens.
What is the significance of the enzyme reverse transcriptase?This enzyme makes the DNA from the RNA, and when the virus having such an enzyme affects the cell, the virus makes the RNA and later the DNA, and then puts its own genome in the human genome that causes diseases.
Hence, during reverse transcription from the RNA, the DNA is formed, and this is done by the enzyme called reverse transcription, which is generally found in some of the viruses and pathogens.
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the simulation will start with two plants highlighted. what do you think will happen to these plants in this ecosystem? can they both survive together?
The outcome of the simulation is dependent on a number of factors such as the type of plants, their resources and the overall environment in which they exist.
In an ecosystem, plants compete for resources such as light, water, and nutrients. If two plants are highlighted, it is possible for both to survive if they have access to sufficient resources and are not in direct competition with each other. However, if the resources are limited, one plant may grow stronger at the expense of the other. The simulation may show how the plants interact and compete for resources and help understand the factors that influence their survival in the ecosystem. It is important to keep in mind that the simulation is a representation of reality and may not always reflect the actual outcome.
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Smooth ER does not have
ribosomes attached to it. This
type of ER makes lipids,
steroids, and hormones.
What is a function of the
smooth ER?
A. The smooth ER performs photosynthesis for the cell.
B. The smooth ER creates lipids and detoxifies the cell.
C. The smooth ER makes energy for the cell.
The smooth ER creates lipids and detoxifies the cell.
What is Smooth endoplasmic reticulum?Plant and animal cells include the smooth endoplasmic reticulum, also known as the smooth ER. A cell subunit having a specific function is called an organelle.
The smooth ER's primary job is to produce cellular goods including hormones and lipids. Additionally, it disperses those products across the cell and throughout the organism.
The smooth ER also controls calcium ion release, processes toxins, and releases calcium ions. To distinguish it from rough ER, which possesses ribosomes for protein synthesis on its surface, it is referred to as "smooth."
Therefore, The smooth ER creates lipids and detoxifies the cell.
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why in osmosis and diffusion, do molecules move across a selectively permeable membrane toward a solution with a higher concentration of solutes?
Diffusion involves the movement of particles form regions having higher concentration to the ones with lower concentration. Osmosis occurs through a semi-permeable membrane which ensures equal concentration on either side of the membrane.
Diffusion is basically the movement of particles from regions having higher concentration to the ones with lower concentration. Osmosis also involves the movement of particles from regions having higher concentration to the ones with lower concentration.
This process although occurs through a semi-permeable membrane to ensure that the molecules of the solvent are free to move through the membrane to equalize the concentration. Osmosis and diffusion find a lot of application in daily life.
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neurons that respond to specific qualities (e.g., such as orientation, movement, and length) that make up objects are:
Feature detectors Physiologically, Receptors are organ or cell that are able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
Dendrite are branch-like segments located at the anterior part of a neuron that function in receiving stimulation via electrical messages in order for the cell to become active.
Retinal cells also known as photoreceptor cell works in the area of light detection. They usually take light focused by the cornea and lens and convert it into chemical and nervous signals which are transported to visual centers in the brain by way of the optic nerve.
Feature detectors refers to the way by which the nervous system filters complex natural stimuli with the use of neuron in order to extract behaviorally qualities (such as orientation, movement, and length) that have a high probability of being associated with important objects or organisms in their environment, as opposed to irrelevant and unimportant background or noise.
Therefore, from the above explanation; Option d is the right choice.
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Full Question ;
Neurons that respond to specific qualities (e.g., such as orientation, movement, and length) that make up objects are called
Select one:
a. receptors
b. dendrites
c. retinal cells
d. feature detectors
. the video demonstrates a reflex called the babinski reflex, in which the foot flexes dorsally and the toes splay out when the sole of the foot is lightly scratched. this is normal for newborns, but it is a sign of reduced myelination of the spinal tract in adults. why would this reflex be a problem for an adult?
The presence of the Babinski reflex in an adult can indicate a problem with the myelination of the spinal tract, which is responsible for transmitting nerve impulses from the brain to the muscles.
Myelin is a fatty substance that forms a sheath around the nerve fibers and helps to improve the speed and efficiency of nerve impulses.In adults, the Babinski reflex is usually a sign of reduced myelination of the spinal tract, which can result from a variety of neurological conditions, including spinal cord injury, multiple sclerosis, and other conditions that affect the nervous system.When the myelination of the spinal tract is reduced, the nerve impulses that control muscle movement may be affected, leading to problems with coordination, balance, and muscle strength. This can result in difficulty walking, impaired dexterity, and other motor difficulties.
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The full question was here:
Newborns have a set of reflexes that are expected to have been crucial to survival before the modern age. These reflexes disappear as the baby grows, as some of them may be unnecessary as they age. The video demonstrates a reflex called the Babinski reflex, in which the foot flexes dorsally and the toes splay out when the sole of the foot is lightly scratched. This is normal for newborns, but it is a sign of reduced myelination of the spinal tract in adults. Why would this reflex be a problem for an adult?
quzilet what is the mechanism of action of the cystic fibrosis transmembrane conductance regulator (cftr)?
Cystic fibrosis transmembrane conductance regulator (CFTR) allows for the diffusion of chloride across the epithelium of a cell.
Cystic fibrosis, the most common autosomal recessive disease in the Caucasian population, is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene, which encodes the cAMP-activated chloride bicarbonate channel that controls ion and water transport in the Secretion regulates the duct of the epithelium.
While all mutations result in the absence or reduction of channel function, the mechanisms by which this occurs are diverse, ranging from a lack of full-length mRNA, reduced levels of mRNA, impaired folding and transport, targeted degradation, reduced gating, or conductivity, and reduced protein levels in the cell membrane during half-life.
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A person with a genetic _____ has an increased risk of developing a health condition due to inherited genes.
A person with a genetic genetic predisposition or genetic susceptibility to cancer has an increased risk of developing a health condition due to inherited genes.
Definition - A cancer-susceptibility gene is a gene that, when changed (or mutated), gives an individual an increased risk for developing cancer. Individuals who have inherited mutations in certain cancer-susceptibility genes have a lifetime risk of cancer that is significantly higher than the general population.
Causes - A genetic predisposition refers to a genetic variation that increases the likelihood of disease. These are passed on from parents to children, but not all children will necessarily receive the genes that predispose to the disease.
Effects - Genetic variations can have large or small effects on the likelihood of developing a particular disease. For example, certain variants (also called mutations) in the BRCA1 or BRCA2 genes greatly increase a person's risk of developing breast cancer and ovarian cancer. Particular variations in other genes, such as BARD1 and BRIP1, also increase breast cancer risk, but the contribution of these genetic changes to a person's overall risk appears to be much smaller.
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what would happen to the rate of absorption and diffusion if the digestive tract were lined with stratified squamous epithelium instead of simple columnar?
The rate of absorption and diffusion would be much slower in a digestive tract lined with stratified squamous epithelium compared to a tract lined with simple columnar epithelium.
Simple columnar epithelium, which lines much of the digestive tract, has numerous microvilli that increase the surface area available for absorption. This type of epithelium also has secretory cells that produce digestive enzymes and hormones, aiding in the breakdown and absorption of nutrients.
Stratified squamous epithelium, on the other hand, is composed of many layers of flat, scale-like cells and does not have the same structures for absorption and secretion as simple columnar epithelium.
As a result, the rate of absorption and diffusion is slower if the digestive tract were lined with stratified squamous epithelium instead of simple columnar.
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What is the primary limitation of the use of fossil data in phylogenetic studies?
The primary limitation of the use of fossil data in phylogenetic studies is the data that scientists use to make phylogenetic trees will always be incomplete.
Finding a continuous fossil record is impossible since not all conditions and environments are favourable for fossilisation.The absence of in-between fossils makes it impossible for the fossil record to be continuous and comprehensive, which is necessary for phylogenetic investigations. Therefore, this is the main drawback of studying fossils. Phylogenetic trees serve as models for life's evolutionary theories. They can only be as reliable as the facts they are based on. Our research on contemporary creatures and fossils provided the data. Modern creatures are not completely understood, and there are extremely few examples of living organisms in the fossil record. Therefore, the information that researchers utilise to construct phylogenetic trees will always be lacking.
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WILL GIVE BRAINLIST 2 BEST ANSWER
Complete the chart to show the presence of each gene in each organism, or paste a copy of the completed table from the notebook.
The organism and the gene present in the organism are given below:
Ray-finned fish - And-1Cartilaginous fish - And-1Frog - And-2Chicken - And-2Lungfish - And-1Coelacanth - And-1What is the And-1 gene and its function?The And-1 gene functions either inside or upstream of the formation of cartilage and fins. is expressed in the brain, pectoral fin, pectoral fin bud, and median fin fold.
The fundamental physical and functional unit of heredity is a gene. DNA constitutes genes and the information stored therein is used to make proteins.
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The scientist who connected sickle-cell anemia with an increased survival rate from malaria was
a. Sean Carroll
b. Tony Allison
c. David Attenborough
d. Tony Romo
e. Charles Darwin
J. B. S. Haldane noted in the 1940s that several red blood cell abnormalities were common in tropical areas where malaria was endemic, including sickle-cell anaemia and other thalassemias.
What is meant when an allele is the only variant present in the population?A fixed allele is an allele for which there is just one variant in the whole population of that gene. The entire population is homozygous for a fixed allele.
Who was the first to discover sickle cell anaemia?A doctor called James Herrick recorded the first instance of sickle cell anaemia in 1910. He described an extremely anaemic 20-year-old college student.
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Which basic tissue type is responsible for filtration secretion and absorption?
Answer:
I believe your answer is: Epithelial tissue
Explanation:
Is lipid structure in foods you eat linked to heart disease?
The media is full of advice on what you should and should not eat, but these recommendations often change from year to year. You may have heard that polyunsaturated fats are heart healthy and saturated fats are not, but is it really that simple?
How you prepare food can affect the amount of saturated fats that you eat. For example, if you cook meat on a grill, the product will have less saturated fat than if you were to eat the same meat raw. What occurs during the process of cooking the meat on a grill that would explain this result?
a. The saturated fat in meat undergoes a change in its physical state as it is heated − from a semisolid consistency to a liquid. When meat is grilled, the liquefied fat drips off, resulting in less saturated fat in the final product. b.The saturated fat in meat undergoes a change in its chemical state as it is heated − from saturated to unsaturated. When meat is grilled, the saturated fat transforms, resulting in less saturated fat in the final product. c. The saturated fat in meat undergoes a change in its physical state as it is heated − from a semisolid consistency to a liquid and then to a gaseous. When meat is grilled, the liquefied fat boils and evaporates, resulting in less saturated fat in the final product. d. The saturated fat in meat undergoes a change in its physical state as it is heated − from a semisolid consistency to a liquid.
The saturated fat which is present in meat undergoes a change in its physical state when it is heated in order to from a semisolid consistency to a liquid. When the meat is getting grilled, the liquefied fat will drip off, resulting in a much less saturated fat in the final product.
Hence, option a is the correct option.
Grilling is an advantageous process of cooking as it allows the excess fat to drop off the grades which ultimately results in a less fat output. When we grill the meat, we see that the fat on the meat is cooked off while in a pot on the stove-top, the fat will come out as a liquid but it still remains in the pot since it is not able to escape, this eventually leads to reuptake of the fat by the meat.
The saturated fat in the meat while grilling undergoes a change in its physical state and ends up from a semisolid consistency to a liquid. This liquefied fat drips off and results in a less saturated fat left in the final product. In those situations where the meat is raw, all saturated fat is kept intact.
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what can be produced by cells that use glucose anaerobically?
Explanation:
Cells that use glucose anaerobically can produce lactic acid, ethanol, and carbon dioxide.
Which feature is shared between adherens junctions and desmosomes?
a. Both contain cadherins
b. Both connect the intermediate filaments of neighboring cells
c. Both connect the actin cytoskeleton of neighboring cells
d. Both promote contraction of a cell layer
e. Both provide physical strength to a cell layer
Both adherens junctions and desmosomes possess the ability to join the actin cytoskeleton of nearby cells.
Eukaryotic cells have a cytoskeleton, a network of filaments or fibers, in their cytoplasm (cells containing a nucleus). The cytoskeleton coordinates other cell components, keeps the cell's form, and controls the movement of the different organelles inside the cell as well as the movement of the cell itself. The cytoskeleton's constituent filaments are so tiny that it was only possible to see them thanks to the electron microscope's higher level of resolution.
Actin filaments, microtubules, and intermediate filaments are the three main types of filaments that make up the cytoskeleton. Actin filaments can be found in a cell as meshworks or bundles of parallel fibers; they aid in the cell's structure and adhesion to the substrate. The actin filaments' dynamic arrays enable the cell move and mediate particular processes inside of it, like cell cleavage during mitosis.
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5.03 Primate EvolutionSkull Analysis [help me pls let me use work]Lab Report
Instructions: As you complete each slide of the Skull Analysis Virtual Lab Activity, please fill in this lab report with the appropriate information and data.
Title:
Objective(s):
Hypothesis:
Variables:
Materials:
Skull casts: 4 known species and 1 unknown
Calipers
Procedures:
Qualitative Observations:
Line up each of the skulls on the lab table, facing to the left, with the Frankfurt planes parallel to the ground.
Observe each skull from the side, recording your observations about the following features (use the table below to record your observations):
Forehead: Is the angle of the forehead sloping or more vertical? Is the brow ridge above the eyes small, medium, or large? Does the forehead extend out above the eyes?
Face: Is the shape of the face sloped or flattened and vertical?
Teeth: Are the teeth long or short? Sharp or dull?
Observe each skull from the bottom view and locate the foramen magnum. This is the hole that connects the brain stem to the spinal cord. Record your observation of the location of each skull’s foramen magnum. Is it located toward the front or the rear of the skull?
Observe each skull from the top and record your observations of the shape of the brain cavity. Is it more round or oval? Are the edges more squared off or pointed? Make comparisons between the skulls.
Quantitative Observations: Determine Supraorbital Height
Use the calipers to measure the distance AC (from point A to point C on the skull).
Use the calipers to measure the distance BC (from point B to point C on the skull).
These measurements will be used to calculate the skull’s supraorbital height index according to the formula: (BC/AC) × 100 = Supraorbital Height Index (note: The unit of measurement is SHI.)
Record the skull’s supraorbital height index in the data table.
Take the same measurements for each of the skulls, recording the supraorbital heights index in the data table.
Data and Observations:
Create a data table to record your observations and measurements for each skull:
Skull Forehead Face Teeth Foramen Magnum Brain Cavity Supraorbital Height (SHI)
Pan troglodytes (modern chimpanzee)
Homo sapiens
(modern human)
Homo erectus
(extinct hominid)
Australopithecus afarensis
(extinct hominid)
Unidentified Fossil Skull
Conclusion:
Be sure to answer the following reflection questions in the conclusion of your lab report:
Was your hypothesis correct? Which of the four species does the unidentified skull most resemble? Predict how you think it may relate to the other species in terms of evolution. Justify your answer with specific observations.
How do the shapes of the face, forehead, and teeth differ between the various species?
Questions:
Using what you have learned from the lesson and the virtual lab activity, answer the following questions in complete sentences:
What do you think accounts for these differences? How might some of these differences be possible adaptations?
In what way do you think the location of the foramen magnum relates to the movement of each species?
What might the shape of the skull and the supraorbital height tell us about each species?
The skull's evidence can demonstrate the changes brought about by evolution in the species.
How can the evolution of primates be ascertained from their skulls?Because it contains details about an organism's structure and behavior, the skull is an important tool in tracing the evolution of primates. Scientists can deduce adaptations for particular ecological activities, such foraging, gripping, and chewing, by examining the size, shape, and structure of the skull.
Anatomical and molecular data can be integrated to develop a more complete picture of primate evolution.
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Genes can be activated by the environment to change an organism's fur coat color from white to brown. What factor of the environment causes this change?
Answer: There are multiple. Light, temperature and pollution are what I believe you're looking for.
Explanation: Factors such as light, temperature and pollution could permanently alter our DNA and gene expression, particularly as climate change continues. Similarly, drugs and chemicals can alter gene expression. All of the above are considered environmental factors.
Select all of the following that are true about organisms in Domain Bacteria. Check all that apply.
a. contain multiple nuclei in each cell
b. most lack cell walls
c. some live in human intestines and help with digestion
d. some are used to make pharmaceuticals
e. important decomposers and producers
f. Earth's oldest organisms
The following which are true about organisms in Domain Bacteria include the following below:
c. some live in human intestines and help with digestion
d. some are used to make pharmaceuticals
e. important decomposers and producers
f. Earth's oldest organisms.
What is a Bacteria?This is referred to as a microscopic, single-celled organisms that exist in their millions, in every environment, both inside and outside other organisms.
They are the oldest organisms and are used to make pharmaceuticals in the healthcare industry.
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what are the first four transcribed bases? hint: your answer will be based on the four nucleotides highlighted in bold. you need to first figure out the direction of transcription, based on the locations of the promoter and terminator. then using the 5' and 3' information shown in the figure, determine which strand (upper or lower) is the template and which is the sense. based on this information, pick the sequence with the correct 5' and 3' orientation and sequence that would be produced as an rna. in short, this is a variation of the problems we worked through in class.
The first four transcribed bases in a gene are called the "start codon."on the four nucleotides highlighted in bold
In transcription, the DNA sequence of a gene is used as a template to synthesize a complementary RNA molecule. The start codon is the sequence of the first three nucleotides (bases) that codes for the initiation of translation, which is the process by which the RNA molecule is translated into a protein. The most common start codon is AUG (adenine-uracil-guanine), which codes for the amino acid methionine. Other start codons include GUG and UUG. The start codon signals the ribosome, the molecular machine responsible for translation, to bind to the RNA molecule and initiate protein synthesis.
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