SAT II Biology E : RNA Structure and Function

Study concepts, example questions & explanations for SAT II Biology E

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Example Questions

Example Question #1 : Rna Structure And Function

In RNA, three nucleotide bases together determine the amino acid that is added to the growing polypeptide chain during translation. This three base grouping is known as a(n) __________.

Possible Answers:

polypeptide

codon

gene

operator

promoter

Correct answer:

codon

Explanation:

The three base grouping in RNA that determines the amino acid created in translation is known as a codon. Gene refers to the region on DNA that codes for a given trait. Operators and promoters are also located on DNA, and act as regulatory elements.

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