Multiple Choice
In a typical eukaryotic cell, which organelle contains most of the cell’s DNA?
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1. Overview of Cell Biology
Eukaryotic Cell Architecture
Multiple Choice
In a typical eukaryotic cell, which organelle is considered the control center because it stores the cell’s DNA and regulates gene expression?
A
Ribosome
B
Mitochondrion
C
Nucleus
D
Golgi apparatus
Verified step by step guidance1
Identify the organelle responsible for storing the cell's genetic material (DNA). In eukaryotic cells, DNA is housed within a specific organelle that acts as the control center.
Understand the role of this organelle: it not only stores DNA but also regulates gene expression, meaning it controls which genes are turned on or off, influencing cell function.
Review the options given: Ribosome, Mitochondrion, Nucleus, and Golgi apparatus. Recall the primary functions of each organelle.
Recall that ribosomes are involved in protein synthesis, mitochondria generate energy, and the Golgi apparatus modifies and packages proteins, so these do not store DNA or regulate gene expression.
Conclude that the nucleus is the organelle that stores DNA and regulates gene expression, making it the control center of the cell.
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