9
RCMultiple Choice

Unit Test — Cumulative exam

Question 9 • IL-Science 7 A

Which is the control center of the cell?

Answer
A
mitochondrion
B
ribosome
C
cytoplasm
D
nucleus

Explanation

The nucleus is the cell’s control center because it contains DNA, which holds instructions that direct the cell’s activities. Mitochondria release energy, ribosomes make proteins, and the cytoplasm is the fluid-like material inside the cell.

AI-written and checked against the verified answer.

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