Calories are produced when an energy-producing substance is digested by the body. Non-Energy-Producing: Do not produce Calories but serve other functions. Non-Energy-Producing-Nutrients Are devoid of calories. Water, vitamins and minerals (macronutrients).
Food value is measured in calories per gram. A calorie (small c) is the amount of heat necessary to increase the temperature of one gram of water by one degree Celsius (more specifically from 15oC to 16oC). The huge calories (with a capital C) or Kilocalarie are equivalent to 1000 calories.
What does it mean to be non-energy yielding?A non-nutrient energy-yielding chemical is a source of calories that is not a nutrition. Alcohol has 7 calories per gram, making it less energy dense than fat but more energy dense than carbs and protein.
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passive gene–environment correlations are __________.
Passive gene–environment correlations are present from the childhood and are correlated with the family environment.
Passive gene-environment correlations are basically present from an individual's childhood. Passive gene-environment correlations happen to occur as the genes of the parent and also the environment that is provided by the parent are correlated with each other.
We can also say that, they involve separate genetic as well as environmental influences which are pushing in the same direction. The environment at home and the behavior as well as the actions of the parents greatly influences the upbringing of the child apart from their genetic makeup.
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which statement is a valid scientific hypothesis? which statement is a valid scientific hypothesis? human history is determined by a series of supernatural events. humans are controlled by forces beyond our understanding. humans should help in the conservation of other animal species. humans and bacteria share a common genetic code.
Humans and bacteria share a common genetic code would be a valid hypothesis.
Hence, the correct answer is option D.
Bacteria are common, largely free-living organisms that frequently only have one biological cell. They make up a significant portion of the prokaryotic microbial kingdom. Bacteria, which are typically a few micrometres long and were among the first life forms to appear on Earth, are found in the majority of its habitats. Soil, water, acidic hot springs, radioactive waste, and the deep biosphere of the Earth's crust are all home to bacteria.
Through the recycling of nutrients, such as the fixation of nitrogen from the atmosphere, bacteria are essential at many phases of the nutrition cycle. The decomposition of dead corpses is a part of the nutrient cycle; bacteria are in charge of the putrefaction phase of this process. Extremophile bacteria transform dissolved substances in the biological communities of hydrothermal vents and cold seeps to produce the nutrients required to support life.
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Which of these would be a valid hypothesis?
A) Human history is determined by a series of supernatural events.
B) Humans should help in the conservation of other animal species.
C) Humans are controlled by forces beyond our understanding.
D) Humans and bacteria share a common genetic code.
why we should save water
Answer:
Helps save resources so they can be used in other fields, less waste in water, and can also save you money on your water bill
A pattern of complex heredity where there are more than two alleles in a population
A pattern of complex heredity where there are more than two alleles in a population is referred to as polymorphism.
What is polymorphism?Polymorphism in biology refers to the occurrence of multiple forms or morphs of a species in a single population. Polymorphism can be a result of genetic variations, environmental factors, or a combination of both.
It is the presence of more than two alleles in a population that are responsible for the same characteristic. This can result in variations in physical appearance, behavior or other traits in a population. The separation of most higher organisms into male and female sexes is the most obvious example of this.
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The complete question is:
A pattern of complex heredity where there are more than two alleles in a population is called?
1. Do both plant and animal cells have a nucleus? What is the primary function of the nucleus?
An essential organelle in a eukaryotic cell, the nucleus stores DNA and controls ribosome synthesis.All animals are eukaryotes, and eukaryotes have nuclei in their cells.
What is the main purpose of the nucleus?The nucleus functions as the cell's logical link control ( llc and genetic information store by containing the genome.Only the final phase of gene expression (translation), which takes place in the cytoplasm, is associated with the cytoplasm. DNA replication, transcribed, and RNA processing all occur within the nucleus.
What role does the animal cells class 9 nucleus play?The nucleus serves two main purposes:It is in charge of keeping the DNA or other genetic material within the cell.It is in charge of organizing a variety of crucial cellular processes, including protein synthesis, cell proliferation, growth, and a number of other crucial operations.
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regarding fluorescence microscopy: question 8 options: a) it can be used to visualize specimens by using a fluorochromes. b) fluorescently labeled antibodies can be used to identify pathogens. c) this microscopic technique can be used to localize proteins in the cell. d) all of the above are true.
The correct statements about fluorescence microscopy are: (a) it is used to visualize specimens by using a fluorochromes. (b) fluorescently labeled antibodies are used to identify pathogens. (c) this microscopic technique is used to localize proteins in the cell.
Fluorescence microscopy is the optical form of microscopy which makes use of fluorescence to visualize the specimens. The microscopy can be used to create 3-D images of the specimens but a smaller level. A high intensity light source is used for exciting the fluorescent material.
Fluorescent antibodies are the usual antibodies tagged with a fluorescent molecule. These are extensively used to detect the biochemical pathways inside living organism or to study the drug metabolism.
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why didn’t darwin use mendel’s results when formulating his theory of evolution by natural selection?
Darwin's focus on small quantitative variations as the raw material of evolution may have prevented him from discovering the laws of inheritance. Heredity and variation were two concepts that played a central role in Darwin's development of the theory of evolution by natural selection.
Natural selection is the variation in phenotypic variance-driven individual survival and reproduction. A key mechanism of evolution is the generational evolution of a population's heritable traits. Charles Darwin popularized the term "natural selection" by comparing it with artificial selection, which in his view is intentional while natural selection is not.
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are used by cells to get and store energy. a. carbohydrates b. proteins c. lipids and. nucleic acids
Lipids, which are employed by cells to obtain and store energy, are the proper response.
The storage of energy in the form of neutral lipids like triglycerides and sterol esters is the primary function of lipid droplets (LDs), intracellular organelles. They are common organelles that can be found in bacteria, fungi, plants, and even animals. LDs are made up of a polar lipid monolayer with many different proteins, some of which are involved in lipid metabolism, around a core of neutral lipids. Diglyceride acyltransferase 1 (DGAT1) and other enzymes that synthesize neutral lipids in the endoplasmic reticulum (ER) membrane cause the emergence of nascent LDs, which are organelles that are partially or entirely different from the ER.
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True or False?α-strands and the β-helices are the two most common forms of secondary protein structure.
True. The two most prevalent styles of secondary protein complexes are -strands and -helices.
Helixes and pleated sheets are the two most typical forms of secondary structures. Hydrogen bonds, that also form between the amino H and carbonyl O of two different amino acids, keep both structures in place. Beta-Pleated sheets and alpha-Helixes are examples of a protein's secondary structure. Both of them are created by hydrogen bonds between the amino H and carbonyl O of different amino acids. Beta-pleated sheets and alpha-helices are the most typical structures that are created. Hydrogen bonds that form all along protein backbone bind the two of them together. A typical component of protein structure is the -helix.
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Molecules tend to move spontaneously ________ their chemical gradient.
Molecules tend to move spontaneously DOWN their chemical gradient.
The gradient in an ion or molecule's concentration is referred to as a chemical gradient. A biological membrane may have a concentration gradient when one side of the membrane has a higher concentration than the other. Without an obvious barrier dividing the region of higher concentration from the region of lower concentration, a concentration gradient may nevertheless exist in a solution. In both situations, the ion or molcule moves from the area of higher concentration to the area of lower concentration due to the free energy produced by the concentration difference.
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what part of the brain is the main relay station for information from the senses?
The thalamus part of the brain is the main relay station for information from the senses
Your thalamus is a structure in the middle of your brain that looks like an egg. It is referred to as a relay station for all incoming motor (movement) and sensory (touch, sight, hearing, and smell, but not smell) information to your brain. Before being routed or directed to its destination in your brain's cerebral cortex—the outermost layer of your brain—for further processing and interpretation, all information must first pass through your thalamus, like a relay or train station.
it brings information into your brain through nerve signals from all of your senses—taste, touch, hearing, and sight—with the exception of smell. The thalamic nucleus of each sensory function receives, processes, and transmits information to the area of your cerebral cortex that is related to that function.
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So this isn’t really a question about biology it’s just I have a test on 2 topics of biology and I don’t know how to study biology as in there’s so much to know that I’m type of starting to give up not cause of the subject actually I love it it’s just personally I don’t know how to study it
Please any advice to study (tried making my own notes still no use ☹️)
Answer:
Quizlet
Explanation:
You should go to quizlet and type in the name of your topic. It should give you flashcards that can test you on the lesson, and on the back of the flashcards are the answers.
Another way I suggest is typing in random questions from your topic and you may be directed to a website that has a lot of answers and questions that relate to that topic.
I really hope this helps and good luck on your test :)
Let me know the name of your topic and maybe I can give you a website that could help.
Answer: Some advice to better help you study is only take notes on what you believe is key information. This will lessen the workload and also get rid of unwanted information. I also recommend making notes on ways you understand. Often think if any of the information you read would come up in the Quiz if it is key information. If you have trouble writing the notes and you can't comprehend what it says make it more simpler this technique comes in handy. Also take breaks after reading a certain amount of paragraphs. I would also recommend searching for keywords you don't understand and make sure to try and retain focus.
I hope this helps you. Good luck (;
which is the best example of a parasitic relationship?
a. Parasite with its host
b. Mosquitoes and humans
c. Cow with heartworms
The best example of a parasitic relationship is Parasite with its host. A few examples of human parasites are worms and other protozoa. Endoparasites, which attack the body from the inside, and ectoparasites, which attack the skin from the outside, are the two forms of parasites that affect humans.
Feces may include endoparasite cysts and eggs, which can be used to identify the parasite in the human host and provide a means for the parasite species to move on to new hosts. There are several ways that humans can contract parasite diseases, but the chance can be reduced by following basic hygiene and sanitation rules. The most accurate diagnosis is done with a qPcr DNA antigen assay, which is infrequently provided by primary care physicians in the United States because the majority of labs only offer research services.
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All of the following are responsibilities of derivative classifiers except: 0 Derivative classifiers must have original classification authority O Derivative classifiers must have expertise in the subject matter on which they are creating documentation, as well as classified management and marking techniques 0 Derivative classifiers must have ready access to classification guidance 0 Derivative classifiers must understand derivative classification policies and procedures
"Derivative classifiers must have original classification authority" is not considered a responsibility of the derivative classifiers.
Hence, option a is the correct option.
The original classification authority is what is required for derivative classifiers. The process involves the leveraging of already-classified information in order to produce new documents or new materials and then the classification of the new content in accordance with the classification markings of the source information.
Incorporating, restating, paraphrasing, or creating information which was previously classified in a new way is known as derivative classification. The protection as well as the integrity of the classified information are upheld by the derivative classifiers. They need to be knowledgeable regarding classification management as well as the marking procedures and the subject matter of the classified information.
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a father carries the xga trait and passes it on to all of his daughters, but none of his sons. what type of inheritance does this represent?
All of a father's daughters acquire the xga trait from him, but none of his boys do. The inheritance pattern indicates X-linked dominance.
A dominant gene is carried by the X chromosome in a mechanism known as X-linked dominant inheritance, also known as X-linked domination. Compared to the recessive type linked to X, this pattern of inheritance is less noticeable.
The given statement would demonstrate the inheritance sequence's X-linked dominant form. The biggest positive reaction that can happen is hemolysis, which is rare but shows the existence of a powerful complement-fixing antibody. In transfusion medicine assays, the RBC agglutination is most frequently interpreted as a positive response indication.
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A bird gets tired while flying over the ocean, so it lands on a buoy to rest. However, the bird avoids each passing wave by flying up right before the wave hits the buoy and returning immediately after. What wave characteristic is MOST likely to give the bird a good chance to rest between waves? A. a high average velocity B. a deep wave base C. a short average wave period D. a low wave frequency
A bird gets tired while flying over the ocean, so it lands on a buoy to rest, and the bird flies up to avoid each passing wave, the wave characteristic is most likely to provide the bird with a good chance to rest in a short average wave period, as in Option c.
What is the significance of the wave period for birds?In a short wave period, birds get less time to rest between each wave, and in a longer wave period, birds get more time to rest between waves, so the velocity of the waves affects the bird's resting capacity.
Hence, a bird gets tired while flying over the ocean, so it lands on a buoy to rest, and the bird flies up to avoid each passing wave, the wave characteristic is most likely to provide the bird with a good chance to rest in a short average wave period, as in Option c.
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RNA catalysis can be selected in laboratory experiments. True or False?
It is true that RNA catalysis may be controlled in laboratory studies.
What purposes does RNA function?Translation is the significant way that RNA makes proteins. RNA contains genetic information that golgi apparatus interpret into a wide range of proteins required for physiological systems. The three primary RNA subtypes that participate in protein synthesis are mRNA, rRNA, and tRNA.
Where can you obtain RNA?The most prevalent kind of RNA in organisms is ribosomal RNA (rRNA), which accounts with around 50% of the ribosomes' structure. Before going into the cytoplasmic to join with enzymes and form a ribosome, it is synthesized in the nucleus. The chloroplasts contain transfer RNA (tRNA), which is sophisticated.
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The term for small structures within cells that perform specific functions is_____.
Organelles is the term for small structures within cells that perform specific functions.
An organelle is a subcellular shape that has one or more specific jobs to carry out within the cell, much like an organ does inside the frame. a few of the extra important cell organelles are the nuclei, which save genetic information; mitochondria, which produce chemical strength; and ribosomes, which collect proteins.
An organelle is a specific structure inside a cellular, and there are numerous different styles of organelles. Organelles are also referred to as vesicles within a cellular. and they truely have a characteristic it really is critical, due to the fact we need to compartmentalize all of the functions in the cell. So there desires to be a membrane across the mechanisms for making a unique product within a cell.
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2. how does dna replication occur? how many strands of a dna molecule act as templates during replication and what is their orientation?
In the process of DNA replication, both the strands act as template. The orientation of both of the strands is opposite, where one is 5'→3' and one is 3'→5' direction.
What is DNA replication?DNA replication is semiconservative in nature. This means that each of the strands in the DNA double helix structure acts as a template for the synthesis of a new, complementary strand of DNA molecule. This process gives rise to two daughter molecules from one single starting DNA molecule, with each newly synthesized double helix containing one new strand and one old strand.
The DNA replication occurs in both the directions. And, both the strands act as template strand where, one is called as leading strand and one is lagging strand. Both these strands replicate in opposite directions: one in the 5'→3' direction and the other one in the 3'→5' direction.
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what is a characteristic of eudicots? parallel leaf venation a flower with six petals vascular bundles scattered throughout the stem a taproot system
A taproot system is a characteristic of eudicots.
Therefore, correct answer is E) a taproot system.
'What are eudicots?'
About 190,000 identified species, or 75% of all angiosperms, belong to the vast, monophyletic group of angiosperms known as the eudicots. A tricolpate or pollen grain formed from a tricolpate serves as the boundary between the monophyly of eudicots, which is strongly supported by molecular data.
Three equally spaced openings, roughly parallel to the polar axis of the grain, define a tricolpate pollen grain. Differentiated areas of the pollen grain wall are called apertures, and they may serve as the location of the pollen tube exitus in addition to providing space for the pollen grain to expand and contract in response to changes in humidity.
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Complete question is :-
Which of the following is a characteristic of eudicots?
A) parallel leaf venation
B) vascular bundles scattered throughout the stem
C) lack of secondary growth
D) a flower with six petals
E) a taproot system
separation of proteins in the first dimension of 2d gel electrophoresis is based on a protein’s molecular weight. true or false
truth. The molecular weight of proteins determines how they are separated in the first dimension of 2D gel electrophoresis.
Two-dimensional gel electrophoresis separates proteins first based on isoelectric point and then based on size, whereas one-dimensional SDS-PAGE separates proteins based on size. In isoelectric focusing, proteins are first separated according to their isoelectric point (pl), followed by separation by SDS-PAGE, which separates proteins according to molecular weight. Using high-throughput mass spectrometry, individual protein spots can be eluted and identified by 2D electrophoresis. One-dimensional SDS-PAGE separates proteins by size, whereas two-dimensional gel electrophoresis separates proteins first by isoelectric point and then by size.
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What are the distinctive features of a eukaryotic cell?
A nuclear membrane made of two bilayers that controls material transport to and from the nucleus by nuclear pores characterises eukaryotic cells as having a nucleus that houses the DNA genome.
Where can one find DNA and what is it?Deoxyribonucleic acid, often known as DNA, is a complex molecule that contains all the information needed to create and maintain an organism. Every living thing has DNA in its cells. In actuality, a multicellular species has nearly all of the DNA required for that organism in each of its cells.
How do you simply explain DNA?Deoxyribonucleic acid, pronounced dee-OK-see-ri-bo-new-klee-ik, is known as DNA. DNA is the genetic data found inside of bodily cells that contributes to an individual's unique genetic makeup. Similar to the game's code or a home's blueprints, it contains the directions for creating the body.
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The A/C system performs which of the following functions?
A) Cool the air in the passenger compartment.
B) Remove moisture from the air to improve comfort in the vehicle.
Both A and B.
D) Neither A nor B.
What cells does Pneumonia attack Need Asap
Answer:
White blood cells
Explanation:
Most pneumonia occurs when a breakdown in your body's natural defenses allows germs to invade and multiply within your lungs. To destroy the attacking organisms, white blood cells rapidly accumulate. Along with bacteria and fungi, they fill the air sacs within your lungs (alveoli).
the root for pertaining to pancreatic islet cells is: a. cyt/o b. insul/o c. pancreat/o d. endocrin/o
Option b is Correct. Regarding pancreatic islet cells, the root is: B. Insulation, referring to the islet cells of the pancreas called as Insular.
Your pancreas contains clusters of cells known as pancreatic islets, also referred to as islets of Langerhans. The pancreas is an organ that produces hormones to aid in the digestion and use of food by the body.
The beta cells that produce the hormone insulin are among the various cell types found in islets. a pancreatic cell that secretes hormones into the bloodstream, such as glucagon and insulin.
These hormones aid in maintaining blood glucose (sugar) levels. also known as an islet of Langerhans cell and an endocrine pancreas cell. The islands of Langerhans, also known as the islets of Langerhans, are clusters of mixed populations of endocrine cells that were initially described by their namesake Paul Langerhans in 1969.
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What evidence supports the impact hypothesis for the end-Cretaceous extinction?
The rock record contains a wealth of data that lend credence to this theory. Near Chicxulub, Mexico, a massive crater with a diameter of 180 km (112 miles) and dating to the end of the Cretaceous was found buried in sediments from the Yucatán Peninsula.
At Boltysh in Ukraine, a second, smaller crater that is between 2,000 and 5,000 years older than the one at Chicxulub was found in 2002. Its existence suggests that numerous bolide impacts may have caused the K-T extinction. The rare-earth element iridium, which is only found in great abundance in the Earth's mantle and in alien rocks, as well as tektites—fractured sand grains typical of meteorite impacts—have also been discovered in deposits linked to the extinction.
Despite this compelling evidence, the asteroid theory has encountered resistance from certain palaeontologists, who argue that terrestrial factors were to blame for the extinction and that a comet or smaller object may have contributed to the amount of iridium that was disseminated by the impact. At the end of the Cretaceous, India experienced a massive lava flow known as the Deccan Traps.
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Gates respond to all these stimuli except:a. chemical messengers.b. ligands.c. changes in electrical potential (voltage) across the plasma membrane.d. physical deformation of the plasma membrane.
The above statement states that all of these stimuli, with the exception of option (d), the physical deformation of the plasma membrane, cause the gates to open.
What are plasma membranes and what do they do?A cell is protected by its cell membrane, also known as the plasma membrane. Additionally, it offers a stable climate inside the cell. And that membrane has a number of functions. One is to provide vitamins into the cell while removing toxic chemicals from it.
What materials make up the plasma membrane?The plasma membrane is made up of lipids and proteins, much like every other cellular membrane. The phospholipid bilayer, which creates a permanent boundary between two aqueous compartments, is the membrane's basic structural component.
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the largest extinction, measured as a percentage of species that disappeared, occurred at the end of which geological period? the largest extinction, measured as a percentage of species that disappeared, occurred at the end of which geological period? tertiary permian cretaceous devonian silurian
The correct answer is B. Permian. The Permian period, which lasted from 299 to 252 million years ago, was marked by the largest extinction event in Earth's history.
An estimated 96% of all marine species and 70% of terrestrial vertebrate species becoming extinct. This extinction was caused by a combination of factors, including massive volcanic eruptions, climate change, and a possible impact event. The Permian extinction had a profound impact on the evolution of life on Earth, clearing the way for the rise of the dinosaurs and the eventual domination of mammals. In comparison, the well-known extinction at the end of the Cretaceous Permian period, which wiped out the dinosaurs, resulted in the loss of approximately 75% of all species.
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The complete Question is:
Which of the following geological periods was marked by the largest extinction, measured as a percentage of species that disappeared?
A. Tertiary
B. Permian
C. Cretaceous
D. Devonian
E. Silurian
which connect the premotor cortex to the primary motor cortex in the right hemisphere?
The right hemisphere of the brain is connected to the primary motor cortex by a set of neural pathways known as the corticospinal tract.
The premotor cortex, located just in front of the primary motor cortex, plays a key role in the planning and execution of voluntary movements. It receives input from sensory regions of the brain and sends signals to the primary motor cortex, which then sends signals to the spinal cord and muscles to initiate movement. The corticospinal tract, also known as the pyramidal tract, is composed of two main pathways: the lateral corticospinal tract and the ventral corticospinal tract. These pathways play a crucial role in the voluntary control of movement, as well as in the regulation of muscle tone and coordination. The corticospinal tract is particularly important in fine motor control, such as the movements required for typing, playing an instrument, or writing by hand. Any damage to these pathways can result in motor deficits and decreased dexterity.
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Releases hormones when stimulated by acth from the anterior pituitary is called?
Corticotropin-releasing hormone (CRH) releases hormones stimulated by acth from the anterior pituitary.
In general , the CRH is responsible for stimulating your anterior pituitary lobe and triggers the release of ACTH. ACTH then prompt your adrenal glands, specially the portion of your adrenal cortex, for releasing cortisol and androgens. After this their is an increase in cortisol that helps to signals your hypothalamus for decreasing the CRH levels, this way the feed back loop is completed.
ACTH also guides and controls the manufacturing of another hormone known as cortisol. Cortisol is produced in the adrenal glands, small glands located on your kidneys. This hormones plays key role in respond to stress.
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