Multiple Choice
Which structure in a eukaryotic cell is responsible for the synthesis and transport of proteins and lipids, and is known as the endoplasmic reticulum (ER)?
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2. Cell Chemistry & Cell Components
Introduction to Eukaryotic Organelles
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Which of the following organelles is not found in eukaryotic cells?
A
Mitochondrion
B
Endoplasmic reticulum
C
Nucleoid
D
Golgi apparatus
Verified step by step guidance1
Step 1: Understand the structure of eukaryotic cells. Eukaryotic cells are characterized by membrane-bound organelles, including the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus.
Step 2: Review the organelles listed in the question. Mitochondrion, endoplasmic reticulum, and Golgi apparatus are all membrane-bound organelles found in eukaryotic cells.
Step 3: Learn about the nucleoid. The nucleoid is a region in prokaryotic cells where the genetic material (DNA) is located. It is not membrane-bound and is not found in eukaryotic cells.
Step 4: Compare the organelles listed in the question to the characteristics of eukaryotic cells. Identify which organelle does not fit the description of a eukaryotic cell organelle.
Step 5: Conclude that the nucleoid is the correct answer because it is specific to prokaryotic cells and is not found in eukaryotic cells.
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