Multiple Choice
In eukaryotic cell architecture, what is a major structural polysaccharide found in fungal cell walls?
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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 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 that contains 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 nucleus is the organelle in eukaryotic cells that houses most of the genetic material (DNA) and is involved in regulating gene expression.
Compare the functions of the other organelles listed: lysosomes are involved in digestion, mitochondria generate energy, and the Golgi apparatus modifies and packages proteins.
Conclude that the nucleus is commonly described as the control center of the cell because it contains the genetic material and regulates gene expression.
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