Multiple Choice
In eukaryotic cell architecture, what is the main function of the nucleus?
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1. Overview of Cell Biology
Eukaryotic Cell Architecture
Multiple Choice
In eukaryotic cell architecture, which organelle is considered the control center of the cell because it houses most of the genetic material and regulates gene expression?
A
Lysosome
B
Nucleus
C
Mitochondrion
D
Golgi apparatus
Verified step by step guidance1
Identify the organelle responsible for housing the cell's genetic material, which is DNA. This organelle contains the chromosomes that carry genes.
Understand that the organelle which regulates gene expression controls which proteins are made and when, thus directing cell function.
Recall that the nucleus is the organelle that contains most of the cell's DNA and is involved in regulating gene expression.
Compare the functions of the other organelles listed: lysosome (involved in digestion), mitochondrion (energy production), and Golgi apparatus (protein modification and sorting), none of which house genetic material.
Conclude that the nucleus is considered the control center of the cell because it contains the genetic material and regulates gene expression.
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