Question

multiple choice what is the complementary strand for gattgc? a agttcg b cgttag c ctaacg d tgggca

Explanation:

Step1: Recall base pairing rules

In DNA, A pairs with T, G pairs with C.

Step2: Match each base in GATTGC

• G → C, A → T, T → A, T → A, G → C, C → G

Combine the complementary bases: CTAACG

Answer:

C. CTAACG