Using the model, describe the structure of DNA in terms of nucleotides, covalent bonds, sugars, phosphates, bases, and hydrogen bonds
Explain the importance of the hydrogen bonds to the function of a DNA molecule.
Answers
Answer:
DNA has a double-helix structure because hydrogen bonds hold together the base pairs in the middle. Without hydrogen bonds, DNA would have to exist as a different structure. he major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.
Explanation:
The importance of the hydrogen bonds to the function of a DNA molecule as it holds the complementary strands and is responsible for its structure.
Hydrogen bonds in DNADNA has a double-helix structure. It has two antiparallel strands. Both strands have a sequence of nitrogenous bases that are linked together by hydrogen bonds.
The hydrogen bond holds together the base pairs in the middle. Adenine is always bound with thymine and guanine to cytosine in DNA by hydrogen bonds. In absence of hydrogen bonds, DNA would have to exist as a different structure, not a double helix.
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Related Questions
Muscle cells in the human body can convert glucose into energy during moderate exercise. During intense exercise, however, the muscles become tired, lactic acid is produced, and pain can set in. Which statement best explains how muscle cell processes change as moderate exercise becomes more intense?
A. Oxygen becomes less available for respiration.
B. Carbon dioxide becomes more available for respiration.
C. Glucose is completely depleted during respiration.
D. ATP becomes depleted during respiration.
Answers
During the active and intense physical exercises, the speed of the glycolysis increases and lactate is produced. During an intense workout, the oxygen depletes.
What happens to the oxygen level?During the intense workout and exercise, the body muscles and cells cannot convert glucose molecules into energy and follow the pathway in the absence of oxygen resulting in the production of lactic acid.
Oxygen is the main input of the respiration process that becomes depleted and in the absence results in the formation of the lactic acid that provides muscle cells with the energy.
Therefore, option A. oxygen gets depleted and becomes less available for the respiratory process.
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Final answer:
As exercise intensity increases, oxygen becomes less available for aerobic respiration in muscle cells, prompting a shift to anaerobic metabolism, leading to lactic acid production and muscle fatigue.
Explanation:
The statement that best explains how muscle cell processes change as moderate exercise becomes more intense is: A. Oxygen becomes less available for respiration. During moderate exercise, muscles primarily use aerobic respiration to convert glucose into energy, utilizing oxygen to produce ATP, the energy currency of the cell. However, as exercise becomes more intense, the demand for ATP increases rapidly, outpacing the supply of oxygen. This leads to muscle cells relying more on anaerobic respiration, specifically glycolysis, which does not require oxygen but produces lactic acid as a byproduct. The accumulation of lactic acid contributes to muscle fatigue and can cause pain. Thus, the transition from moderate to intense exercise sees a shift from aerobic to anaerobic metabolism in muscle cells due to the reduced availability of oxygen.
Humus creates good soil tilth, which is an indirect benefit of microorganism action.
Please select the best answer from the choices provided
OT
OF
Answers
Answer: True.
Explanation:
Humus are decayed dead plants and animals in the soil. They are decayed organic matter(plants and animals). They are formed by the incorporation of plants and animals matter in the soil by the action of microorganisms. Humus provide nutrients for the soil, increase soil porosity and create good soil tilth. The good soil with help microganisms to perform their actions in the soil and improve soil structure.
Answer:
True
Explanation:
What would happen if a dominant trait joined with the recessive trait? What is the end result? (Based off Gregor Mendel)
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Answer:
When a dominant trait joins with the recessive trait, only the dominant trait will show when determining the organism's characteristics.
Explanation:
The dominant trait is "dominant" so it will mask the recessive trait. For example, brown eyes is a dominant trait for the color of someone's eye. Blue eyes is a recessive trait. If someone were to have both genes when they were born, they would have brown eyes because it masks the genes for blue eyes.
a vine that grows around a fence pole is an example of
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list the symptoms of the flu
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Answer:
fever or feeling feverish/chills. cough. sore throat. runny or stuffy nose. muscle or body aches. headaches. fatigue and sometimes vomit and diarrhea.
Explanation:
what is physical science
Answers
Explanation:
the science concerned with the study of inanimate objects including physics,chemistry and related subjects
Answer:
systematic study of the inorganic world, as distinct from the study of the organic world, which is the province of biological science. Physical science is ordinarily thought of as consisting of four broad areas: astronomy, physics, chemistry, and the Earth sciences.
Does anyone understand this?
Answers
2. Break strand into condom (3 bases)
3. Use amino acid codon chart (above) to find the amino acid sequence. Continue until stop codon.
See an example of my work down below:
Your little cousin tells you that he heard about acid rain. He says the weather app on his Mom’s phone is forecasting rain this week and he’s scared it’s going to burn him. What can you tell him about acid rain to help calm him and let him know what he can do to help?
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Answer:
It wont burn him!
Explanation
acids and bases have a ph, if it's to high or low than it can be harmful. The scale goes from 0-14, 7 is neutral and will not harm you. Acid rain has a Ph of about 5 which is higher than most sodas! That's right sodas are more acidic!
Answer:
Tell him acid rain wont hurt him, and that he will be fine, acid rain rarely gets hot enough to burn and make contact with your skin.
Explanation:
18. Why does your body fight infection better the second time?
a. B cells need less time to make antibodies.
b. Antibodies work better over time.
c. B cells don't exist the first time
d. Helper T cells don't call B cells the first time
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Is the gene that causes hemophilia recessive or dominant? Use the image to explain your reasoning.
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Answer:
It's a recessive trait. The carrier mother is heterozygous for the condition, but she does not have it. Boys who received one faulty gene are the only ones who suffer the condition.
Explanation:
plato <3
The gene that causes hemophilia is basically recessive linked with X chromosome of female.
What are recessive traits?A trait that is expressed only when the genotype is homozygous; a trait that is masked by other inherited traits but persists in a population among heterozygous genotypes.
A recessive gene is one whose effects are obscured when a dominant gene is present.
For each gene, every organism with DNA packed into chromosomes has two alleles, or forms of a gene: one inherited from their mother and one inherited from their father.
The image here shows that the if the father is hemophilic, then the daughter will be carrier and son will be normal.
But, if the mother is normal but carrier then, the son can have 50% probability to have hemophilia, but the daughter will be the carrier of the gene in 50% offspring.
Thus, it can be concluded that this is X-linked recessive trait.
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About what percentage of the entire existence of Earth have bacteria been alive?
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Viruses are essentially a strand of genetic material within a protective protein coating known as a
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Answer:
capsid
Explanation:
A scientist was born in 1995 and died in 1975. How is this possible?
Answers
Answer:
He was born in room 1995 and died in 1975. Or vise versa.
Final answer:
The question is a riddle where 'born in 1995' refers to a hospital room number, rather than a year, while 'died in 1975' refers to the year. This type of question promotes critical thinking.
Explanation:
The question, "A scientist was born in 1995 and died in 1975. How is this possible?" is likely not based on historical fact but rather is a riddle or puzzle. The answer to the riddle is that the scientist was born in a hospital room with the number 1995 and died in the year 1975. This is a common type of brain teaser that uses the ambiguity of the English language to create a seemingly impossible situation. Such questions are generally used to encourage critical thinking and problem-solving among students.
What is the temporary version of DNA called that is used to make amino acids/proteins?
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Cellular Respiration what is happening to the carbohydrates you eat?
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Cellular respiration is the metabolic process where cells convert glucose and oxygen into ATP, carbon dioxide, and water. ATP is the energy currency that cells use for their functions. This process is essential for transforming the energy stored in food into a usable form for cellular activities.
Explanation:What is Cellular Respiration?When you consume carbohydrates, they are broken down into simple sugars like glucose through digestion. This glucose enters your cells and undergoes a metabolic process known as cellular respiration. This process is crucial for converting the chemical energy stored in the glucose into a form that the cell can use, primarily in the form of adenosine triphosphate (ATP).
The Process of Cellular Respiration
Cellular respiration occurs in three main stages: glycolysis, the citric acid cycle, and the electron transport chain. In glycolysis, glucose is split to form pyruvate, releasing a small amount of ATP. During the citric acid cycle, these pyruvate molecules are further broken down, releasing electrons, which are then used by the electron transport chain to generate a large amount of ATP. Overall, cellular respiration transforms glucose and oxygen into carbon dioxide and water, releasing energy captured in ATP molecules for cellular activities.
The Products of Cellular RespirationThe products of cellular respiration are carbon dioxide, water, and ATP. The carbon dioxide produced is exhaled through the lungs, and the water may be used within the cell or excreted. The ATP generated provides energy for various functions within the cell, enabling life processes to continue.
The first man-made satellite, Sputnik 1, was launched into space in 1957. This satellite was used to study the conditions found in the higher atmospheric layers.
Since then, other uses for satellites have been developed. One of these uses, satellite imagery, has made it possible to capture pictures of objects in space or on the Earth. The advances that created satellite imagery have led to being able to see
A.
types of landforms.
B.
homes and neighborhoods.
C.
planets and moons.
D.
all of these
Reset Submit
PLEASE HELP ITS DUE TOMMOROW!!!
Answers
Answer:
D. All of these
Explanation:
We already knew that satellites can see planets and moons, and Google Earth's satellites can give you an aerial view of any home you wish to see. Given these two extremes, we can assume that satellites can see landforms as well.
I hope you do well on the assignment! :)
What is the answer to the question above?
A.) A has many more pores per volume than B.
B.) A has a bigger volume
than B.
C.) B has a total volume bigger than A.
D.) B has smaller cells but more surface area than A.
Answers
Remember: smaller cells typically have a higher surface area- to-volume ratio, which are more efficient at exchanging material with the environment.
i've never been able to answer this and i don't know if i worded this right but i hope you understand...
There’s a hummingbird hovering in a closed box, if the box’s elevation jolts slightly, will the elevation of the bird inside it change too?
(this has to do with like air molecules and how they react with the bird wings other molecules)
Answers
Answer:
I think that the elevation of the bird will not change because the bird is flying and has not landed yet so it will not affect the elevation of the bird and it wont affect the box's weight
Explanation:
The elevation of the hummingbird inside the closed box will not change when the box's elevation jolts slightly. This is due to the concept of inertia.
Explanation:In this scenario, the elevation of the hummingbird inside the closed box will not change when the box's elevation jolts slightly. This is because of the concept of inertia, which states that an object at rest will stay at rest unless acted upon by an external force. Since the hummingbird is already hovering inside the closed box, it is not in direct contact with the walls of the box or any external force, so its elevation remains the same.
The air molecules inside the box might be affected by the jolt, they will exert pressure on the walls of the box which in turn will affect the box's movement. However, the hummingbird, being a separate entity, will not experience any change in its elevation.
It is important to note that when objects are contained within closed systems, their motion is independent of the motion of the container.
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Homeostasis refers to
A.
the effect of natural selection on human evolution.
B.
a mixture or solution that is the same throughout.
C.
the tendency of a cell to maintain a stable internal environment.
D.
the similarity of genetic traits to one another.
Answers
Answer:
c
Explanation:
Definition: The tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of
Answers
Answer:
If it helps, the answer is Mutualism (let me know if it is for some reason incorrect)
Why are invasive species dangerous to the environment?
They pollute the environment.
They are voracious predators.
They threaten biodiversity.
They are nonrenewable.
Answers
Answer:
They threaten biodiversity.
Explanation:
bringing a species that is not native to the environment can can cause many problems because, most animals wont eat that species and they usually survive better than other species.
- for example the gypsy moth is an invasive species. moths eat trees and if no animals eats them, they threaten not only the tree but us humans that the trees provide oxygen to.
Invasive species are dangerous to the environment because they threaten biodiversity. Therefore, option C is correct.
What are invasive species and how do they affect the environment?A nonnative organism (disease, parasite, plant, or animal) that spreads or widens its range away from the location of its introduction and has the potential to affect the environment, the economy, or human health is referred to as an invasive species.
Native plants and animals may go extinct as a result of invasive species, which can also decrease biodiversity, compete with native species for scarce resources, and disrupt habitats.
Thus, invasive species are dangerous to the environment because they threaten biodiversity. Therefore, option C is correct.
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: In some breeds of dogs, black (B) is the result of the production of black eumelanin ( a fur pigment protein) and it is dominant over brown (b) or the production of brown eumelanin. If we cross a true breeding male black dog with a female brown dog, what are the phenotypes and genotypes of the F1 and F2? In order to solve the problem, follow the steps below while answering the questions.
Answers
Answer:
Gentoype of F1: all Bb
Phenotype of F1: black
Genotypes and phenotypes of F2:
1/4 BB - black fur
1/2 Bb - black fur
1/4 bb - brown fur
Explanation:
Black fur (B) is dominant over brown fur (b).
A true breeding black dog will have the genotype BB.
A true breeding brown dog will have the genotype bb.
If both of them are crossed:
BB x bb
F1 progeny: All Bb with Black fur.
At F2:
Bb x Bb
Progeny:
1 BB - black fur
2 Bb - black fur
1 bb - brown fur
Hence:
Gentoype of F1 = all Bb
Phenotype of F1 = black
Genotypes and phenotypes of F2:
1 BB - black fur
2 Bb - black fur
1 bb - brown fur
PLEAEE ANSWER QUICKLY, first one GETS BRAINLY
Answers
Answer:
Whats the question boi?
Explanation:
Resources that regenerate quickly and can be used over and
over again are called
Answers
Answer:
renewable resources.
Explanation:
Locate the data and observations collected in your lab guide. What are the key results? How would you best summarize the data to relate your findings?
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Answer:
In a lab guide, the key results are those that support my working hypotheses or serve to reject these assumptions. Moreover, the key results may also be other discoveries that are important to understand the processes and/or mechanisms investigated in the experiment.
In my experience, the best way to summarize the key results is to create diagrams and illustrations that enables me to study relationships between different data
Although the Lab guide in the question is missing a general answer within the scope of your question is provided above
Key results in an experiment are either milestone results leading to the final result of an experiment or results obtained that might not be part of the experiment but very important to the success of the experiments. therefore results that leads to the acceptance or rejection of a hypothesis in an experiment is a key result. while
The best way to summarize data related to findings is the use of diagrams. ( graphical representation of the relationships between data contained in an experiment )
Hence we can conclude that use of diagrams is the best way to show the relationship between different data related to experimental findings while key results are results that justifies the acceptance of a hypothesis.
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12+points PLZ help
Take a look at the food web, which of these organisms are decomposers. (select all correct answers) *
A)Fungi
B)Deer
C)Bacteria
Answers
They break down the dead organisms and create new healthy soil
Answer:
A) Fungi
C) Bacteria
Explanation:
When the consumer and producer die, decomposers break down the organism and releases the energy back into the ecosystem.
A(n) __________ is a rule that describes a pattern in the natural world. A) theory B) hypothesis C) observation D) scientific law
the answer is D) scientific law
Answers
Answer:
D) A Scientific Law
Explanation:
Observations, Hypotheses, and Theories are preliminary "laws", so they are not substantial enough to be considered a "rule". The key word in this question is "rule", which has to be super-substantial. Therefore it is D.
A scientific law is a rule that describes a pattern in the natural world. Thus, option D is correct.
What are scientific thinking?Scientific thinking is a type of knowledge that includes intentional information seeking, including asking questions, testing hypothesis and making observations as well as recognizing pattern.
The scientific or scientists are clear as to the purpose at hand and questions at the issue. The scientific essential standards that should be implies on the elements of scientific thought such as clarity relevance depth, breath, logic and accuracy.
The scientific thinking prefers to thinking about the content of science and the set of reasoning process.The example of scientific thinking is that question information, conclusions and points of view which is strive to be accurate, relevant and precise.
Therefore, A scientific law is a rule that describes a pattern in the natural world. Thus, option D is correct.
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PLEASE HELP WILL MARK BRAINLIEST Select the correct arrow.
Identify the arrows that indicate heat being trapped by greenhouse gases.
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ANSWER:
the arrows bouncing in the atmosphere
Please help!
Some scientists say human population growth leads to a tragedy of the commons. Which resource would be the common in this tragedy?
A. The sun and moon
B. Human beings
C. Planet Earth
D. The solar system
Answers
Answer: Planet earth
Explanation:
The graph shows the changing levels of hormones during menstruation and ovulation. What is the general trend for hormones after ovulation as an individual approaches menstruation?
A graph shows the changing levels of hormones during menstruation and ovulation. As an individual approaches menstruation, most of the hormone levels decrease.
Hormone levels generally decrease.
Hormone levels generally rise.
Hormone levels remain the same.
Hormone levels go in two different directions.
Answers
Answer:
Hormone levels generally decrease.
Explanation:
The graph showed that hormone levels after ovulation generally decrease.
The menstrual cycle of women generally have 3 phases which include:
The follicular phaseThe ovulatory phaseThe luteal phaseThe follicular phase is characterized by low levels of oestrogen and progesterone and a slightly high level of follicle stimulating hormone which ensures that follicles within the ovary develop.
The ovulatory phase is characterized by a surge in the luitenizing hormone (which stimulates the release of eggs) and follicle stimulating hormone with a decrease in the level of oestrogen and a gradual increase in the level of progesterone.
The luteal phase is characterized by a general decrease in the levels of luitenizing hormone and follicle stimulating hormone while oestrogen level may remain high.
Answer:
Yes! The correct answer is A.) Hormone levels generally decrease.
Explanation:
I did the Unit Test and i got it correct.