Question 1

Which part of a prokaryotic cell is primarily responsible for protecting the cell from its environment, and what is its main chemical composition?

Accepted Answer

Cell wall; composed mainly of peptidoglycan

Question 2

What is the primary function of the ribosome in a prokaryotic cell?

Accepted Answer

Synthesizing proteins from mRNA templates

Question 3

Which chemical composition best describes the genetic material found in prokaryotic cells?

Accepted Answer

DNA, which is a polymer of nucleotides

Question 4

In prokaryotic cells, where do most chemical reactions take place?

Accepted Answer

Cytoplasm

Question 5

Which part of the prokaryotic cell contains all the information required for the cell's functions and reproduction?

Accepted Answer

DNA

Question 6

What is the main function of the capsule in a prokaryotic cell?

Accepted Answer

Cushioning parts of the cell and providing protection against desiccation and immune attack

Question 7

Which of the following statements about bacteria is correct?

Accepted Answer

Not all bacteria are pathogenic; many are beneficial or harmless

Question 8

What makes archaea unique compared to other prokaryotes?

Accepted Answer

Archaea have unique membrane lipids and can survive in extreme environments

Question 9

If a mutation occurs in the DNA of a prokaryotic cell, which cellular function is most likely to be directly affected?

Accepted Answer

Protein synthesis

Question 10

A scientist discovers a prokaryotic cell with a thick capsule. What advantage might this cell have in a host organism?

Accepted Answer

It may evade the host's immune system more effectively

Question 11

Which equation best represents the central dogma of molecular biology as it applies to prokaryotic cells?

Accepted Answer

$$DNA \rightarrow RNA \rightarrow Protein$$

Question 12

Which part of the prokaryotic cell is most directly involved in the translation of genetic information?

Accepted Answer

Ribosome

Question 13

A prokaryotic cell is placed in a hypotonic solution. Which cell structure helps prevent it from bursting?

Accepted Answer

Cell wall

Question 14

Which of the following is NOT a function of the cytoplasm in a prokaryotic cell?

Accepted Answer

Storing genetic information

Question 15

If a prokaryotic cell loses its capsule, which of the following is most likely to occur?

Accepted Answer

It becomes more susceptible to desiccation and immune attack

Question 16

Which chemical reaction is most likely to occur in the cytoplasm of a prokaryotic cell?

Accepted Answer

Glycolysis: $$C_6H_{12}O_6$ \rightarrow 2C_3H_4O_3 + 2ATP$$

Question 17

Which of the following best describes the structure and function of the prokaryotic cell wall?

Accepted Answer

A rigid layer composed of peptidoglycan that provides structural support and protection

Question 18

Which part of the prokaryotic cell is most likely to be targeted by antibiotics such as penicillin?

Accepted Answer

Cell wall

Question 19

A mutation in the ribosomal RNA of a prokaryotic cell would most directly affect which process?

Accepted Answer

Translation of proteins

Structure and Function of Prokaryotic Cell Components

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