Multiple Choice
In eukaryotic cell architecture, which organelle is commonly described as the cell's control center because it houses most of the genetic material and regulates gene expression?
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1. Overview of Cell Biology
Eukaryotic Cell Architecture
Multiple Choice
In eukaryotic cell architecture, which organelle is commonly described as the cell's control center because it contains most of the cell's genetic material and regulates gene expression?
A
Mitochondrion
B
Golgi apparatus
C
Lysosome
D
Nucleus
Verified step by step guidance1
Identify the organelle that contains the majority of the cell's genetic material, which is DNA. This organelle is responsible for storing and protecting the genetic information necessary for cell function.
Understand that the organelle controlling gene expression regulates which genes are turned on or off, thereby controlling protein synthesis and cell activity.
Recall that the mitochondrion is primarily involved in energy production, the Golgi apparatus in modifying and packaging proteins, and lysosomes in breaking down waste materials.
Recognize that the nucleus is the organelle that houses the cell's chromosomes and acts as the control center by regulating gene expression.
Conclude that the nucleus is the correct answer because it contains most of the cell's genetic material and controls gene expression.
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