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lord [1]
3 years ago
15

Which organic molecules form the major structural materials of the body?

Biology
1 answer:
Verizon [17]3 years ago
7 0
Answer:
A) proteins
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Mutation

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A mutation is any change in the nucleotide sequence of the genome of a particular organism. Mutations may be caused by errors during DNA replication or by exposure to environmental mutagenic factors (e.g., ultraviolet radiation, chemical agents, etc). Mutations can be deleterious, neutral or beneficial depending on the environment. When a beneficial mutation occurs in the germline, it may potentially be inherited and subsequently increase its frequency in the population.

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The phrase and diagram represent an important law in science. That is
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c. all matter has an attractive force that is dependent on its mass

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Frederick Griffith was one of the leading scientists looking at the genetic role of DNA. He was working on two strains of Strept
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The correct answer is: Even though the S strain had been heat-killed, it changed the R strain.

Griffith in his experiment used two strains of bacteria:

• The rough strain (R) which did not cause pneumonia, (nonvirulent)

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But, when he gave both the heat-killed S strain and the R strain to mice, the mice developed pneumonia and died.

Griffith conclusion was that the R-strain bacteria took what he called a "transforming principle" from the heat-killed S bacteria which transformed the nonvirulent R strain.

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4 years ago
Biology books used to describe interphase as the “resting phase.” Based on what we know now, what was wrong with this term?
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Answer: because in the interphase the cell still goes through changes(growth, replication of its DNA), they are just not visible by microscope. Therefore, the cell isn't resting.

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3 years ago
What is a small repeating unit
Vadim26 [7]

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The smallest constitutional unit the repetition of which constitutes a regular macromolecule, a regular oligomer molecule, a regular block or a regular chain. A repeat unit is sometimes called a mer or mer unit. "Mer" originates from the Greek word "meros," which means a part.

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