Multiple Choice
In eukaryotic cell architecture, which statement best describes the primary role of the nucleus?
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1. Overview of Cell Biology
Eukaryotic Cell Architecture
Multiple Choice
In eukaryotic cell architecture, what is the primary function of the nucleus?
A
To store and protect the cell's DNA and regulate gene expression
B
To modify, sort, and package proteins for secretion
C
To provide structural support and determine cell shape by forming microtubules
D
To synthesize ATP through oxidative phosphorylation
Verified step by step guidance1
Identify the main organelles in a eukaryotic cell and their primary functions to understand the role of the nucleus.
Recall that the nucleus is a membrane-bound organelle that contains the cell's genetic material, DNA.
Understand that the nucleus protects DNA from damage and controls access to it, which is essential for regulating gene expression.
Differentiate the nucleus from other organelles: for example, the Golgi apparatus modifies and packages proteins, microtubules provide structural support, and mitochondria synthesize ATP.
Conclude that the primary function of the nucleus is to store and protect the cell's DNA and regulate gene expression.
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