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mash [69]
3 years ago
14

Question 1 of 10

Biology
1 answer:
Mice21 [21]3 years ago
4 0

Answer:

D

Explanation:

A - Nucleic acids do not change into amino acids. Rather, it is the specific sequence of nucleotides in nucleic acids that directs the formation of proteins.

B - Peptides are not bonded to nucleic acids directly. The codons in mRNA are bonded to tRNA molecules, which in turn is bonded to an amino acid.

C - DNA strands are not bonded to amino acids. It is the codons in a strand of mRNA that are bound to tRNA molecules carrying an amino acid.

D - This is correct. The specific sequence of codons in mRNA give rise to a specific sequence of amino acids in the protein formed.

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Sergio039 [100]

39

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This makes sense if you think about it. Using the example from the question, every dog has 78 chromosomes. This includes two of each (there are two chromosome 1's, two chromosome 2's, etc. This is visible in the karyotype attached). One set of these chromosomes were inherited from the mother, and one set from the father. Each parent contributed 39 chromosomes (one chromosome 1, one chromosome 2, etc.). If the dog in the question were to have 78 chromosomes in its sperm cells, it would contribute two sets to its offspring. When combined with the chromosomes in the egg cell, the offspring would end up with extra chromosomes. Therefore, both the sperm and the egg cells will have 39 chromosomes, one of each. When combined, they will produce offspring with 78 chromosomes, the proper number.

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2 years ago
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Answer:

A

Explanation:

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8 0
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4 0
3 years ago
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Eduardwww [97]

Answer:

D

Explanation:

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