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Multiple Choice
Which of the following is a characteristic of the nucleus in a cell?
A
It contains the cell's genetic material.
B
It is responsible for protein synthesis.
C
It regulates the passage of substances in and out of the cell.
D
It generates energy for the cell.
Verified step by step guidance
1
Begin by identifying the primary function of the nucleus in a cell. The nucleus is known as the control center of the cell.
Understand that the nucleus contains the cell's genetic material, which is organized as DNA. This genetic material is crucial for the regulation of cellular activities.
Recognize that protein synthesis occurs in the cytoplasm, specifically at the ribosomes, not in the nucleus. The nucleus does play a role in protein synthesis by transcribing DNA into mRNA, which then travels to the ribosomes.
Consider the role of the cell membrane in regulating the passage of substances in and out of the cell, not the nucleus. The nucleus is enclosed by the nuclear envelope, which regulates the passage of molecules between the nucleus and the cytoplasm.
Understand that energy generation for the cell is primarily the function of the mitochondria, not the nucleus. The mitochondria are known as the powerhouse of the cell.