Microbiology Straighterline (Quizzes) |
Latest Update | 2024/2025 | Graded A+
What is the primary function of the cell membrane in bacteria?
A) DNA replication
B) Energy production
C) Selective permeability
D) Protein synthesis
C) Selective permeability
Which of the following...
What is the primary function of the cell membrane in bacteria?
A) DNA replication
B) Energy production
C) Selective permeability
D) Protein synthesis
✔✔ C) Selective permeability
Which of the following structures is found in all bacteria?
A) Nucleus
1
,B) Mitochondria
C) Cell wall
D) Ribosomes
✔✔ D) Ribosomes
What is the main purpose of the Gram stain in microbiology?
A) To determine bacterial shape
B) To differentiate between bacterial species
C) To identify bacterial cell wall types
D) To measure bacterial growth
2
,✔✔ C) To identify bacterial cell wall types
Which of the following bacteria is Gram-positive?
A) Escherichia coli
B) Staphylococcus aureus
C) Pseudomonas aeruginosa
D) Neisseria gonorrhoeae
✔✔ B) Staphylococcus aureus
What is the role of plasmids in bacterial cells?
A) DNA replication
3
, B) Energy production
C) Carrying additional genetic information
D) Protein synthesis
✔✔ C) Carrying additional genetic information
How do viruses replicate within host cells?
A) By binary fission
B) By using host cell machinery to reproduce
C) By budding off from the host cell
D) By conjugation
4
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