4
RCMultiple Choice

Unit Test — Cumulative exam

Question 4 • 2025-2026_MDCPS_2000315_Biology_1_A-CR

What does DNA provide the code for?

Answer
A
nitrogenous base pairing
B
protein synthesis
C
deoxyribose formation
D
nucleotide synthesis

Explanation

DNA stores genetic instructions that are used to make proteins. During protein synthesis, cells read the information in DNA to determine the amino acid sequence of a protein. DNA does not provide the code for base pairing or for building deoxyribose and nucleotides.

AI-written and checked against the verified answer.

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