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tatiyna
3 years ago
9

Frameshift mutations ____________.

Biology
1 answer:
castortr0y [4]3 years ago
4 0

Answer:

The correct answer is option b. "cause a change in the reading frame of mRNA codons".

Explanation:

Frameshift mutations are among the most drastic mutations because in most cases, result in the translation of a completely different protein. Frameshift mutations are the result of insertions or deletion of one or more nucleotides, resulting in a change in the reading frame of mRNA codons. In consequence, the ribosome translates a different amino acid sequence, based on the new reading frame of mRNA codons.

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Compare and contrast the evidence that supports the two hypotheses describing how long, complex molecules that carry information
Rudiy27

Oparin and Haldane's theory and Miller's experiment are the proof that long complex molecules that carry information such as DNA, might have formed on early earth.

Explanation:

Oparin and Haldane Hypothesis states that life on Early earth could have evolved by chemical evolution.

Oparin and Haldane said that the reducing atmosphere of the early earth caused simple inorganic molecules to react by using sunlight and formed molecules like amino acids and nucleotides.

These monomers combined to form polymers, they would have attained self-replicating tendency eventually these would have assembled into structures and these macromolecules had also made membrane-bound organelle.

Although this hypothesis is not fully accepted but part of it which talks about formation of molecules is accepted.

Millers and Urey in their experiment created an artificial reducing environment like that of early earth. They used a heated pool of water, atmospheric gases like H2O,CH4,N2, NH4 and sparks of electricity. After running the experiment for some days they found that amino acids, sugars, lipids and other organic molecules had formed.

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8 0
3 years ago
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Research has demonstrated that people will help in-group members because they have feelings of empathy.

<h3>What is empathy?</h3>

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In conclusion, research has demonstrated that people will help in-group members because they have feelings of empathy.

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8 0
2 years ago
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mel-nik [20]

Im pretty sure its marble

The answer is C


4 0
3 years ago
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