Multiple Choice
Which set of features best describes the basic architecture of a typical prokaryotic cell?
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1. Overview of Cell Biology
Prokaryotic Cell Architecture
Multiple Choice
In prokaryotic cell architecture, what is the primary purpose of the bacterial cell wall?
A
To synthesize ATP through oxidative phosphorylation
B
To store the cell’s genetic material in a membrane-bound compartment
C
To regulate gene transcription by housing ribosomes and RNA polymerase
D
To provide structural support and protect the cell from osmotic lysis
Verified step by step guidance1
Step 1: Understand the components of a prokaryotic cell, focusing on the bacterial cell wall and its functions.
Step 2: Recall that the bacterial cell wall is a rigid structure located outside the plasma membrane, primarily composed of peptidoglycan.
Step 3: Recognize that the bacterial cell wall's main role is to provide mechanical strength to the cell, helping it maintain shape and preventing it from bursting due to osmotic pressure differences (osmotic lysis).
Step 4: Compare this function with other options: ATP synthesis occurs in the plasma membrane, genetic material is not enclosed in a membrane-bound compartment in prokaryotes, and gene transcription regulation involves ribosomes and RNA polymerase but not the cell wall.
Step 5: Conclude that the primary purpose of the bacterial cell wall is to provide structural support and protect the cell from osmotic lysis.
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