BIOLOGY HIGH SCHOOL

Which of the following is a primary function of the cell membrane? Choose 1 answer:

(Choice A) DNA replication

(Choice B) Protecting organelles

(Choice C) Protein synthesis

(Choice D) Filling space between cell organelles

Answers

Answer 1
Answer:

Answer:

(Choice B) Protecting organelles

Explanation:

As it is outer most layer so it protect the cell and it's organelles.
Answer 2
Answer:

Answer:

Protecting organelles

Explanation:

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When seeds are carried to new locations we call this
Organisms in an ecosystem must either produce their own energy or receive energy from other organisms. The biological interaction in which one organism hunts, kills, and eats another organism for energy is known as _______.

Which of the following lists the hierarchy of life from MOST complex to LEAST complex?A) organism, organ system, organ, tissue, cell


B) cell, tissue, organ, organ system, organism


C) organ system, organism, cell, organ, tissue

Answers

Answer:

a

Explanation:

Government-run health agencies are funded with taxpayers' dollars t/f

Answers

This is true. Numerous European countries are clear example of this.

Final answer:

The statement is true. Government-run health agencies are primarily funded through taxpayers' dollars. For instance, U.S. health agencies like the CDC and NIH receive significant portions of their budgets from public funds.

Explanation:

True, government-run health agencies are predominantly funded by taxpayers' dollars. These agencies rely on the funding from taxes to carry out their various functions, which can include disease research, public health outreach and education, and oversight of health-related industries. For example, in the United States, agencies like the Centers for Disease Control and Prevention (CDC) and the National Institutes of Health (NIH) receive large portions of their budget from public funds.

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A solution is aA. combination of isotopes.

B. chemical reaction.

C. mixture in which the substances are evenly spread out.

D. mixture in which undissolved substances do not settle out.

Answers

(C) because when substances dissolve in it completely, it is called solution which has a even colour all over and no things settled down. But when we see undissolved things that do not settle down, it is called an colloid which make the visibility through it a little opaque and not clear like in the solution

Rick’s class plans to study the effect of eating different breakfast foods on grades in morning classes. Students in the class will be the test subjects for the investigation. Which of the following would most likely make the results of the experiment invalid?

Answers

Some of the things that would make the experiment invalid would be, if there was a variation in the behavior of the class with respect to food - for example, if some people ate their breakfast earlier than the others. This then would mean that some students would have already digested their breakfast during the morning classes and the others would still be digesting.

Some students eat breakfast two hours before other students do.

this term describes the loss of electrons that occurs during metabolism, the process by which your body breaks down and builds up molecules.

Answers

The answer is most likely oxidize.  During oxidation reduction reactions, the loss of elections is called oxidation while the the gaining of elections is called reduction.

Final answer:

The term describing the loss of electrons during metabolism is oxidation. In metabolic processes like cellular respiration, substrates are oxidized to release energy, playing a critical role in sustaining life.

Explanation:

The term that describes the loss of electrons that occurs during metabolism, the process by which your body breaks down and builds up molecules, is known as oxidation. Whenever a substrate is oxidized, it loses electrons. For example, in the process of cellular respiration, glucose is oxidized to carbon dioxide, and oxygen is reduced to water. The transferred electrons are carried by certain molecules to other parts of the cell to release energy used for metabolic functions. Therefore, metabolism and oxidation play crucial roles in our body to sustain life.

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What might be an advantage of having more than one codon for the same amino acid?

Answers

There is no chance to change the amino acid sequence if any change occurs in the DNA or RNA sequence is an advantage of having more than one codon for the same amino acid.

What is genetic code?

Genetic code is the information of the gene which codes into the amino acid which makes the particular protein.

DNA has information that is passed to the RNA by the process of transcription and this RNA sequence makes a triplet codon which makes an amino acid.

This code is universal and shows redundancy, by this more than one codon makes the same amino acid, if any nucleotide sequence change occurs between the DNA and RNA, there is no effect on the protein sequence.

Therefore, protein is the linear sequence of amino acid if any change occur in the one codon, but leads to create the same amino acid, do not affect the protien.

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The extra codons mean the code is more resilient- small errors can still result in the same protein being produced. The other advantage is that in some cases, a single strand of genetic material might code for more than one protein or enzyme, depending on how it is read. This means that one method of reading will produce the same output, but the second or third method of reading (starting from a different place on the strand) can produce other, entirely different materials. This concept is like a palimpsest.
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