2 There are 20 amino acids in proteins & 64 possible codons. Circle if the follo

Question

2 There are 20 amino acids in proteins & 64 possible codons. Circle if the following are true. If not true - correct!

            a. Some amino acids are specified by more than one codon.

            b. Some codons specify more than one amino acid.

            d. Some codons do not specify any amino acid.

            d. There are some of the 20 amino acids that are not specified by any codon.

            e. a mRNA of 300 nucleotides could code for at most 300 amino acids.

            f. A cow and a pea plant would make the same protein using a mRNA from a pea plant.

Explanation / Answer

A. True

B. False

One amino acid will code only one particular amino acid.

C. True

D. False

Each amino acid is coded by a codon.

E. False

mRNA of 300 nucleotides could not code for 300 amino acids.

F. False

Cow and pea plant make the same protein using mRNA from cow and pea plant respectively.

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