Microbiology An Introduction 12th edition By Tortora-Test Bank

Microbiology An Introduction 12th edition By Tortora Test Bank

Chapter 4 Functional Anatomy of Prokaryotic and Eukaryotic Cells

4.1 Multiple-Choice Questions

1) Among prokaryotic cells, which statement is NOT accurate?
A) Their genetic material is not enclosed in a membrane.
B) They lack organelles surrounded by membranes.
C) They usually have a circular chromosome.
D) They reproduce through binary fission.
E) They do not possess a plasma membrane.
Answer: E
Section: 4.1
Bloom’s Taxonomy: Knowledge
ASMcue Outcome: 2.2
Learning Outcome: 4.1

2) All the following statements about the gram-positive cell wall are correct EXCEPT
A) it maintains the cell’s shape.
B) it is susceptible to lysozyme.
C) it shields the cell in a hypertonic environment.
D) it contains teichoic acids.
E) it is sensitive to penicillin.
Answer: C
Section: 4.4
Bloom’s Taxonomy: Analysis
ASMcue Outcome: 2.2
Learning Outcome: 4.5
Global Outcome: 2

3) What occurs when a bacterial cell is immersed in a solution with 5% NaCl?
A) Sucrose will flow into the cell from a region of higher concentration.
B) The cell will burst due to osmotic pressure.
C) Water will exit the cell.
D) Water will enter the cell.
E) There will be no change as the solution is isotonic.
Answer: C
Section: 4.5
Bloom’s Taxonomy: Comprehension
Learning Outcome: 4.9
Global Outcome: 2

4) If a gram-positive bacterium becomes resistant to methicillin suddenly, this resistance likely resulted from the acquisition of new genetic material through
A) conjugation.
B) binary fission.
C) meiosis.
D) transformation.
E) transduction.
Answer: A
Section: 4.3
Bloom’s Taxonomy: Comprehension
ASMcue Outcome: 4.1
Learning Outcome: 4.4
Global Outcome: 2

5) How can a cell transport a substance from a lower to a higher concentration?
A) simple diffusion
B) facilitated diffusion
C) active transport
D) extracellular enzymes
E) aquaporins
Answer: C
Section: 4.5
Bloom’s Taxonomy: Analysis
Learning Outcome: 4.9
Global Outcome: 2

6) Which of the subsequent options is NOT a common feature of most bacterial cell membranes?
A) center for energy synthesis
B) made up of a phospholipid bilayer
C) comprises proteins
D) contains cholesterol
E) exhibits selective permeability
Answer: D
Section: 4.5
Bloom’s Taxonomy: Comprehension
ASMcue Outcome: 2.4
Learning Outcome: 4.8
Global Outcome: 2

7) Which of the given organisms has a cellular wall?
A) protoplasts
B) fungi
C) L forms
D) mycoplasmas
E) animal cells
Answer: B
Section: 4.7
Bloom’s Taxonomy: Knowledge
ASMcue Outcome: 2.4
Learning Outcome: 4.14
Global Outcome: 7

8) Which statement is correct?
A) Endospores are used for reproduction.
B) Endospores enable a cell to withstand environmental changes by inducing a dormant phase with no growth.
C) Endospores can be easily stained in a Gram stain.
D) A cell generates one endospore and continues to grow.
E) A cell has the ability to create multiple endospores.
Answer: B
Section: 4.5
Bloom’s Taxonomy: Knowledge
ASMcue Outcome: 2.3
Learning Outcome: 4.12

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