The pyrimidine found in both dna and rna is cytosine. The pyrimidine found only in dna is thymine while the pyrimidine found only in rna is uracil.
Cytosine is one of the four nucleotide bases in DNA. Within a double-stranded DNA molecule, cytosine bases on one strand pair with guanine bases on the opposite strand. The sequence of the four nucleotide bases encodes DNA's information
Thymine helps stabilize nucleic acid structures
Uracil help carry out the synthesis of many enzymes necessary for cell function through bonding with ribose and phosphates.
Adenine and guanine will be the two primary varieties of purine. These both happen in both DNA as well as RNA. Only one of the three primary pyrimidine types cytosine is present in both DNA as well as RNA. The other two were uracil, which only occurs in RNA, and thymine, which only occurs in DNA.
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Spatial systems include the ______. interrelated contents of areas internal representation of an area or an environment complete isolation of individual elements in an area
Spatial systems include the interrelated contents of areas.
Spatial systems include:
the physical components of a system for spatial information. Disks for storing multiple data types (alphanumeric, graphic, and picture), digitizing tablets and scanners for entering graphic data, plotters and printers for displaying the results, and other peripherals make up a spatial information system.A spatial system is what?The study of measuring, mapping, and visualization of constructed and natural settings is known as spatial systems. Where, what, and when are the questions we hope to address. Drones and laser scanners could be used by surveyors and spatial engineers to measure the built and natural environments.What advantages does spatial have?Commercial, social, political, and environmental advantages of spatial technology are also present. It can assist both businesses and consumers in determining the best travel routes to avoid traffic jams, boost fuel economy, and improve road safety. This increases road safety, cuts pollutants, and saves time.To learn more about spatial systems visit:
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Is the major pollutant that electrostatic precipitators are designed to remove from power-plant smokestack emissions.
Answer:
Particulates the major pollutant that electrostatic precipitators are designed to remove from power-plant smokestack emissions.
Explanation:
The total number of harmful particles both solid and liquid in the atmosphere is known as particulate matter. Several inorganic plus organic particles, including grit, pollen, smoke, soot, as well as liquid droplets, are included in this heterogeneous mixture.
Particulate matter is made up of tiny either solid or liquid droplets which are so minute that breathing them in can have major negative effects on one's health. These particles can harm the lungs and heart when we are exposed to them. Multiple studies in the scientific community have connected exposure to particle pollution to a number of issues, including early death in people who have heart or lung illnesses. nonfatal heart attacks.
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The surface of the nucleus is bounded by two phospholipid bilayer membranes, collectively called the.
The boundary of the nucleus is known as the nuclear envelope. It includes phospholipid bilayers: an outer membrane and an internal membrane. The nuclear membrane is non-stop with the endoplasmic reticulum.
It includes phospholipid bilayers an outer and an internal membrane. The nuclear membrane is non-stop with the endoplasmic reticulum. Nuclear pores permit materials to go into and go out the nuclues.
The essential shape of the membrane is the phospholipid bilayer, which bureaucracy a strong barrier among aqueous booths. In the case of the plasma membrane, those booths are the internal and the out of doors of the cell.
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Which behavior would be exhibited by a patient who has suffered a right-brain stroke?
Impulsive and impatient behavior would be exhibited by a patient who has suffered a right-brain stroke.
What is right-brain stroke?
When the blood flow to the right side of the brain is cut off, a right brain stroke results. The left half of the body is controlled by the right side of the brain. Additionally, it aids in some cognitive functions, body position awareness, and distance perception.
The right side of the brain is affected by strokes, and patients who have experienced one will exhibit impulsive and impatient behavior. A left-brain stroke survivor is extremely careful since they are aware of the deficiencies and failures in their mental functioning. A stroke patient will move much more slowly after a stroke. People who have suffered left-brain injury will have trouble speaking and communicating.
Question:
Which behavior would be exhibited by a patient who has suffered a right-brain stroke?
A. Very Cautious
B. Difficulty with words
C. Impulsive and impatient
D. Accomplishes tasks quickly
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Identify the response of the body's homeostatic control systems to large increases in muscle o2 requirements during heavy exercise.
The response of the body's homeostatic control systems to large increases in muscle O₂ requirements during heavy exercise is the increase in body's pulmonary ventilation.
Homeostasis is the state of balanced internal system of the body. A homeostatic body does gets affected by the outer environment as it adjusts itself accordingly. The state of homeostasis can be in terms of thermoregulation, blood glucose regulation, osmoregulation, etc.
Pulmonary ventilation is the process of inhalation and exhalation of air. This is done to fulfil the demand of oxygen in the body and also to remove the waste carbon dioxide from the body. Pulmonary ventilation in simple terms is breathing.
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What is the name of all the cell contents between the nucleus and the cell membrane.
Cytoplasm, the semi fluid substance of a cellular this is outside to the nuclear membrane and inner to the mobile membrane, every now and then defined because the nonnuclear content material of protoplasm.
In eukaryotes which cells having a nucleus ,the cytoplasm consists of all the organelles. There are some functions such as protects cell contents; makes touch of different cells consists of channels, transporters, receptors, enzymes and mobile identification markers, meditates the access and go out substance.
Cellular contents among the plasma membrane and nucleus, inclusive of cytosol and organelles.It includes features from all cell types. A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm.
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You went for a walk through the desert and found a strange looking object. you want to know whether or not it is living. explain how you would use at least four functions of life to determine whether or not this object is living.
Answer:
If the following characteristics were found, the object would be considered living:
Explanation:
properties of living things
Any procedure that causes a change in the state or activity of a cell or perhaps an organism is a response to stimulation( for example locomotion, enzyme generation, expression of genes, etc.)Cells & cellular structure: A cell membrane, nuclei, & cytoplasm are the three components that make up a cell. Complex arrangements of microscopic fibres and tens of thousands of tiny, unique structures known as organelles can be located in the cytoplasm.Genetics: the transmission of characteristics from one generation to the next. Genetics refers to the study of genetics, which is the transmission of qualities from parents to children.The process through which food is converted into energy in the body's cells is called metabolism.Homeostasis is the constant maintenance of internal, external, and chemical circumstances. You can learn more at:https://brainly.com/question/22557084
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Which term describes the process by which an increase in functional demand results in an increased number of cells?
Hypertrophy is the process by which an increase in functional demand results in an increased number of cells.
What is Hypertrophy?A tissue or organ undergoing hypertrophy will see an increase in volume as a result of the component cells inside growing larger. It differs from hyperplasia, in which the cell size stays about the same but the quantity increases. Although hypertrophy and hyperplasia are two separate processes, they commonly go hand in hand, as in the case of the hormonally induced proliferation and expansion of the cells of the uterus during pregnancy.
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In the __________, the reproductive cycle entails alternation of generations; a spore-producing generation alternates with one that produces eggs and sperm.
Answer:
In the ferns, the reproductive cycle entails alternation of generations; a spore-producing generation alternates with one that produces eggs and sperm.
Explanation:
A fern is a specific type of vascular plant which reproduces through spores rather than seeds or flowers. Ferns are plants with roots, stalks, and leaves, much like blooming plants. Unlike blooming plants, unfortunately, ferns lack flowers and seeds and rather than reproduce sexually by secreting microscopic spores or occasionally by vegetative means, as is the case with the walking fern.
In previously, many vascular plants that yield spores were loosely classed with ferns and referred to as "fern allies." Surprises concerning the connections between ferns and their companions have been revealed by recent genomic investigations. First, ferns and horsetails seem to have a lot in common. Horsetails are really now included in the fern family. Second, the flora club moss as well as quillworts, which are sometimes referred to as "fern allies," are in no way related to ferns.
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How have humans contributed to an imbalance in the nitrogen cycle?
Humans contributed to an imbalance in the nitrogen cycle increase in nitrogen-producing industrial and agricultural activities as well as the burning of fossil fuels is causing humans to overstimulate ecosystems with nitrogen, finds a recent study. Nitrogen is a necessary element for life, but at large concentrations, it is harmful to the environment.
Scientists have shown that by changing the quantity of nitrogen stored in the biosphere, humans are interfering with the nitrogen cycle. The main cause is the burning of fossil fuels, which emits nitric oxides into the atmosphere, where they react with other substances to produce smog and acid rain.
The addition of nitrogen can cause a nutrient imbalance in trees, changes in the health of forests, and losses in biodiversity in terrestrial ecosystems. More processes than merely the nitrogen cycle are impacted when nitrogen availability is increased because there is frequently a shift in carbon storage. The majority of human activities that have contributed to the rise in nitrogen levels worldwide are small-scale, ranging from the manufacture and use of nitrogen fertilizers to the burning of fossil fuels in vehicles and power plants.
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What were the three key observations made by darwin that allowed him to deduce that natural selection is a primary driver of evolution?.
Answer:
Organisms produce more offspring than survive, variation exists among members of populations, and advantageous variations increase in relative frequency over time.
Explanation:
let me know if this helps
Answer: Organisms produce more offspring than survive, variation exists among members of populations, and advantageous variations increase in relative frequency over time.
Explanation:
What were the three key observations made by Darwin that allowed him to deduce that natural selection is a primary driver of evolution? Organisms produce more offspring than survive, variation exists among members of populations, and advantageous variations increase in relative frequency over time.
The collection of transcribed rnas in a liver cell is identical to the collection of transcribed rnas in a muscle cell. True or false?.
False, The characteristic of rRNAs could be very comparable throughout all species. The center characteristic of the ribosome is largely the identical throughout exceptional businesses of organisms.
However, this doesn't imply the rRNAs are same among species. The real series of the nucleotides in rRNAs (and withinside the rDNA genes) does range among species.
All tRNAs have approximately seventy three to ninety three nucleotides that fold into 4 base-paired stems and 3 loops, a shape which seems like a clover leaf in measurement and. it is "L" fashioned in third-dimensional shape. The three' quit has CCA series. Attachment of an amino acid to the three adenosine yields an aminoacyl-tRNA.
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When a body has had adequate rest and no food for at least 12 hours, it is said to be in?
When the human body has had adequate rest and no food for 12 hours, it is said to be in the basal state.
What is the basal state?The phrase "basal metabolic rate" (BMR) refers to the overall level of activity of a person's body metabolism as measured by his oxygen consumption in the basal state, which is when the person is completely at rest but not asleep, 14 to 18 hours after eating. The body's oxidative process is more active and the rate of metabolism is higher the more oxygen is used in a certain period of time.
The general metabolic state during treatment has been measured using the BMR. Since thyroid hormones are the main regulators of tissue oxidation and metabolism, BMR measurements were once frequently used to evaluate thyroid function. However, with the development of radioactive-isotope tests and thyroid hormone studies, their use has decreased.
Therefore, the body is said to be in the basal state.
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What is the main idea of this text?
Shirley Chisholm was born in Brooklyn, New York and was the child of two immigrants, and she excelled on her debate team early on in her life.
Shirley Chisholm spent her political career fighting for the rights of women, people of color, and poor people in many different political seats, even though she didn’t win the Presidential nomination for the Democratic party.
When Shirley Chisholm ran for President, many other Democratic candidates encouraged her to step down because they said she wasn’t a “serious” candidate.
Shirley Chisholm ran for the New York State Legislature and represented her district in Brooklyn, and she proposed bills to increase funding for daycare and schools.
The main idea of this text is that Shirley Chisholm, a trailblazing African American politician (1924–2005), started her career as a teacher. Chisholm was the first African American elected to Congress in 1968. She served on the Education and Labor Committee and was instrumental in establishing the Black Caucus.
She once more made history in 1972 when she ran for president as the first Black woman of a major party. Chisholm left from politics after spending seven terms in the House to pursue a career as a teacher and public speaker.
As the first Black congresswoman, Chisholm began her first of seven terms in office in 1969. She stunned many by asking transfer after initially being placed to the House Forestry Committee. .
When Chisholm sought the Democratic candidacy in 1972, she became the first African American woman to run for president of the United States. Throughout her time in Congress, Shirley Chisholm advocated for equal access to education and jobs for minorities while simultaneously speaking out against the draft. She left Congress in 1983 and became well-known on the lecture circuit while teaching at Mount Holyoke College.
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Briefly explain the overall processes of photosynthesis and cellular respiration.
Although the inner leaflet of the gram-negative outer membrane is composed mainly of phospholipids, the outer leaflet of the outer membrane contains.
Although the inner leaflet of the gram-negative outer membrane is composed mainly of phospholipids, the outer leaflet of the outer membrane contains lipopolysaccharides.
Phospholipids are the most abundant component of the plasma membrane. The structure of phospholipids is composed of a backbone of glycerol containing two fatty acid chains attached to two hydroxyl groups and one phosphate group attached to the third hydroxyl group.
Lipopolysaccharides, also abbreviated as LPS, are the major component of bacterial cell wall. The role of LPS is to provide structural integrity and high permeability to the bacteria. LPS is a pyrogen and can be toxic to human body.
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The pharmacokinetic measurement of plasma volume that is completely cleared of a drug per unit of time is termed?
The pharmacokinetic measurement of plasma volume that is completely cleared of a drug per unit of time is termed as drug clearance.
Pharmacokinetics is defined as the study of the effect of any administered substance like drug or any form of medication into the body. There are four steps for the pharmacokinetics: absorption, distribution, metabolism, and excretion.
Plasma is the fluid present in the blood. It is a colorless liquid consisting of various proteins, fats and other substances. It makes up about 55% of blood's volume. It is the means of transport for the body. Plasma also consists of various immune cells.
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Living organisms exist in a dynamic steady state, never at equilibrium with their surroundings because:________
Living organisms exist in a dynamic steady state, never at equilibrium with their surroundings because system at equilibrium cannot perform work. The dwelling organisms exist in a consistent kingdom characterized through awareness of every of the biomolecules. These biomolecules are in a metabolic flux.
Living beings additionally alternate gases with their instant environment, (typically) breathing in oxygen and exhaling carbon dioxide. Heat is likewise exchanged with the environment. Thus a dwelling gadget is by no means at equilibrium with its environment because of regular alternate of rely and strength among the two.
Homeostasis at a cell stage due to the fact on this case, the enter price of the problem is same to the output. In this way, any dwelling organism is an instance of a consistent kingdom due to the fact dwelling organisms or cells want water, oxygen, strength, substances as enter and CO2 as output.
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Which layer of skin is least protected by melanin?
a. stratum basale
b. stratum granulosum
c. stratum spinosum
d. stratum corneum
Stratum corneum is least protected by melanin.
What is melanin ?
Your body contains melanin, which is responsible for the colour of your hair, eyes, and skin. The more melanin you create, the darker your eyes, hair and skin will be. Your body's melanin content is influenced by a number of variables, including your genes and how much sun exposure your ancestors received.
The barrier that keeps undesired things from entering the body and excessive water loss from occurring is now widely acknowledged to be the stratum corneum (SC), the skin's outermost layer and interface with the outside world. The main developments in our understanding of this tough membrane are summarized in this study.
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Which evolutionary mechanism changes genotype frequencies but does not change allele frequencies?
Assortative mating is the evolutionary mechanism that changes genotype frequencies but does not change allele frequencies.
Assortative mating is the type where two individuals mate with each other on the basis of their similarities and dissimilarities. This is a different phenomenon than the random mating that occurs by chance. Assortative mating can be used to increase the number of organisms of a population containing a certain trait.
Allele is the alternative form of a gene. It arises due to mutations. A gene can have more than one types of alleles. However, usually a gene only has one allele. The alleles are found at the same location of the homologous chromosomes.
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The collection of all the genetic material (the dna) in a cell or organism is called the:_________
genome
The collection of all the genetic material (the DNA) in a cell or organism is called the genome.
The total collection of DNA instructions present in a cell makes up the genome. The human genome is made up of 23 pairs of chromosomes that are found in the cell's nucleus and one tiny chromosome that is found in the mitochondria. Everything a person needs to grow and operate is encoded in their genome.What makes the genome significant?Three billion base pairs of DNA make up the whole human genome, which is uniquely structured to give us our basic anatomy and unique traits like height and hair color. Understanding how genes function is essential for understanding how our bodies function and what occurs when we are ill. Genes are formed by DNA.To learn more about genome visit:
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A 9th grade student in a biology class views a sample of pond water under a microscope. She observes unicellular organisms with cell parts including chloroplasts, a flagellum, and a nucleus. She observes the organism ingesting (eating) food for energy. Which kingdom is this organism in?
The organism will belong to the protist kingdom.
Plants and ProtistsThe plant kingdom consists of multicellular eukaryotic organisms whose cells contain an organelle known as chloroplast.
The chloroplast houses the chlorophyll which is a green pigment responsible for the capturing of solar radiation and gives plants the capacity to manufacture their own foods using photosynthesis.
Organisms in the protist's kingdom are also eukaryotic but strictly unicellular. Some of them have the capacity to carry out heterotrophic as well as autotrophic nutrition like plants.
The organism observed by the student is unicellular and contains chloroplasts. This means that the organism belongs to the protist's kingdom.
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It is possible for a repressor to negatively regulate the expression of an operon because?
It is possible for a repressor to negatively regulate the expression of an operon because option(c) i.e, the repressor binding site overlaps the promoter site of the operon allowing it to physically block the binding of RNA polymerase.
An operon is a collection of genes that are all translated into a single messenger RNA (mRNA) molecule, which in turn encodes a number of different proteins (Fig. 16.11). In prokaryotes, this type of polycistronic mRNA is commonly seen.
This characteristic enables coordinated control of protein production in response to cellular requirements. The operon enables the cell to conserve energy, which is a crucial component of an organism's life strategy. It does this by giving the cell the tools to create proteins only when and where they are needed.
operon, a genetic regulatory system present in bacteria and their viruses and characterized by the clustering along the DNA of genes encoding functionally related proteins. This characteristic enables coordinated control of protein production in response to cellular requirements.
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The complete question is:
It is possible for a repressor to negatively regulate the expression of an operon because:
a. the repressor induces the expression of inducer.
b. one of the genes expressed in the operon negatively regulates the repressor.
c. the repressor binding site overlaps the promoter site of the operon allowing it to physically block the binding of RNA polymerase.
d. the repressor binding site on the DNA overlaps with the translation start site.
When performing a ____________________ and the f2 generations yield significantly different results, it is likely that the trait is sex linked.
When performing a reciprocal cross and the F2 generations yield significantly different results, it is likely that the trait is sex-linked.
Reciprocal cross is the one where the genotype of the male and the female parent are interchanged. This cross is performed to check for the importance of genotype of parents on an inheritance pattern. The genotype must be homozygous for this cross to be conducted.
Sex-linked refers to the genes affecting any certain trait that are expressed on the sex chromosome. In humans, these kind of genes are mostly present on the X-chromosome. The expression of such genes depends upon the genotype of the parents completely.
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The heart is
O lateral; superior
O medial; inferior
O inferior, medial
O superior, inferior
to the arm and
to the cranial cavity.
What is the specific heat of a diamond if 4.5 J of heat is required to heat a 0.72 g piece of diamond from 10°C
to 22.3°C?
VARIABLES:
WORK
ANSWER:
9=
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Ср
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The specific heat capacity of a diamond is 0.508 J/g/°C.
What is specific heat capacity of a substance?The specific heat capacity of a substance is the amount of heat required to raise the temperature of a unit mass of that substance by one degree Celsius.
The specific heat capacity of a substance is calculated from the formula below:
q = mcΔT
where q is the quantity of heat
m is the mass of the substance
c is the specific heat capacity of the substance
ΔT is the temperature change
Making c subject of the formula
c = q/mΔT
From the data provided about the diamond;
q = 4.5 J; m = 0.72 g; ΔT = 12.3 °C (22.3 - 10)
Therefore, specific heat capacity c will be:
c = 4.5/(0.72 * 12.3)
c = 0.508 J/g/°C
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Metastasis is enabled by __________. the nervous system the lymphatic system the circulatory system both the lymphatic and circulatory
Answer:
Epithelial-Mesenchymal Transition, Anoikis and Loss of Adhesion
Explanation:
The spread of cancer cells from the place where they first formed to another part of the body. In metastasis, cancer cells break away from the original (primary) tumor, travel through the blood or lymph system, and form a new tumor in other organs or tissues of the body.
The full meaning of WAI
Answer:
WA means Withdrawn Administratively.
Explanation:
Hi can someone please help me with this!
Experiment refer to a manner in which we can be able to establish the relationship between a dependent and an independent variable.
What is an experiment?The term experiment refer to a manner in which we can be able to establish the relationship between a dependent and an independent variable. We have two different experiments and we shall treat them individually.
Experiment A
Independent variable - Remedy for the knee problem
Dependent variable - Degree of relief from the knee problem
Control group - Patients that received the placebo
Experiment B
Experimental variable -Effect on the deer
Independent variable - Whether or not tiger urine is used
Dependent variable -Repulsion of deer from tree seedlings
Control group - Tree seedlings not treated with tiger urine
Controlled variables - Type of seedlings, specie of deer and tiger
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Carrier proteins are slow, and can only move between ______ and_____ molecules per second.
Carrier proteins are slow, and can only move between 1,000 and 1,000,000 molecules per second.
What is Carrier protein?Carrier protein is a type of cell membrane transport protein involved in facilitated diffusion and active transport of substances out of or into the cell or the movement of ions, small molecules, macromolecules, across a biological membrane. Carrier proteins diffuses sugars, amino acids, and nucleosides. An example of a carrier protein is the sodium potassium pump that uses ATP to move three sodium ions out of the cell and two potassium ions into the cell.
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