Multiple Choice
In eukaryotic cell architecture, which organelle is considered the cell’s primary 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 primarily stores the cell’s genomic DNA?
A
Nucleus
B
Rough endoplasmic reticulum
C
Golgi apparatus
D
Mitochondrion
Verified step by step guidance1
Understand that eukaryotic cells have multiple organelles, each with specific functions related to cell structure and metabolism.
Recall that the cell's genomic DNA contains the genetic instructions necessary for the cell's functions and is stored in a specialized organelle.
Identify the organelle responsible for storing and protecting the cell's genomic DNA, which also controls gene expression and mediates the replication of DNA during the cell cycle.
Compare the functions of the given organelles: Rough endoplasmic reticulum is involved in protein synthesis, Golgi apparatus modifies and packages proteins, and mitochondrion generates cellular energy.
Conclude that the nucleus is the organelle that primarily stores the cell’s genomic DNA, as it houses the chromosomes and regulates access to genetic information.
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