ASAP IMAGE IS ATTACHED THIS IS NOT DIFFICULT There are only 4 types of nucleotides in mRNA and 20 types of amino acids in proteins. This figure shows how 4 types of nucleotides can provide a unique code for each of the 20 types of amino acids.

6a. The mRNA code for each type of amino acid is a

sequence of _ nucleotides, called a codon.
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6b. In the figure, which mRNA codon codes for the amino acid Phe?

Explanation:

The messenger RNA (mRNA) has in its structure sequences of 4 nucleotides adenine, uracil, guanine and cytosine. The possible combinations of these nucleotides to group into triplets is 64 codons to form 20 amino acids, from which it can be concluded:

A mRNA codon is a sequence of three nucleotides that serves to encode an amino acid.

Phenylalanine (Phe), according to the image, is formed with the UUU codon.

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