The process that is used to make polypeptide chains that constitute proteins can be written as:
a. RNA -> DNA -> protein. c. protein -> RNA -> DNA.
b. DNA -> RNA -> protein. d. protein -> DNA -> RNA.
B
The nucleotides A, T, C, and G can be thought of as "letters" of a genetic alphabet that are combined into three-letter "words" that are transcribed (written) by the intermediary of ribonucleic acid (RNA). The RNA translates the three-letter words into the amino acids used to make the polypeptide chains that constitute proteins. This process may be written as DNA -> RNA -> protein.
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