9
lesson pretestMultiple Choice

Pretest

Question 9 • CMS 2026-2027 Biology CREDIT RECOVERY

Which is a structure that directs the cell's activities?

Answer
A
mitochondrion
B
ribosome
C
nucleus
D
Golgi apparatus

Explanation

The nucleus directs many of the cell’s activities by containing DNA, which provides instructions for how the cell functions. The Golgi apparatus packages and sorts materials, ribosomes make proteins, and mitochondria release energy. Therefore, the correct choice is the nucleus.

AI-written and checked against the verified answer.

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