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Biology Quiz: Identify the Cell's Control Center Organelle
Biology
Grade 7 (Junior High School)
Question Content
2. Which organelle is the control center of the cell? (Paragraph 2) A. Ribosome B. Nucleus C. Mitochondrion D. Vacuole
Correct Answer
B
Detailed Solution Steps
1
Step 1: Recall the role of each organelle listed: Ribosomes make proteins, the nucleus stores genetic material and controls cell activities, mitochondria produce energy, and vacuoles store materials.
2
Step 2: Identify the organelle responsible for regulating all cell functions: The nucleus contains DNA, which directs all cellular processes, making it the control center.
3
Step 3: Select option B as the correct answer.
Knowledge Points Involved
1
Nucleus as Cell Control Center
The nucleus is a membrane-bound organelle that contains the cell's genetic material (DNA). It controls all of the cell's activities, including growth, metabolism, and reproduction, by regulating gene expression, earning it the title of the cell's control center.
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