11.
The cell wall of
A. gram-positive bacteria are thicker than gram-negative bacteria
B. gram-negative bacteria are thicker than gram-positive bacteria
C. both have same thickness but composition is different
D. none of these
Answer & Explanation
Answer: Option A
Explanation:
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12.
Peptidoglycan is also known as
A. N-acetyl muramic acid
B. murein mucopeptide
C. N acetylglucosamine
D. mesodiaminopimetic acid
Answer & Explanation
Answer: Option B
Explanation:
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13.
Genetic system is located in the prokaryotes in
A. nucleoid
B. chromatin
C. nuclear material
D. all of these
Answer & Explanation
Answer: Option D
Explanation:
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14.
Which is most likely to be exposed on the surface of a gram-negative bacterium?
A. Pore protein (porin)
B. Protein involved in energy generation
C. Lipoteichoic acid
D. Phospholipids
Answer & Explanation
Answer: Option A
Explanation:
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15.
The last step in synthesis of peptidoglycan is
A. attachment of a peptide to muramic acid
B. attaching two amino acids to form a cross-link
C. attachment of a portion of peptidoglycan to a membrane lipid
D. binding of penicillin to a membrane protein
Answer & Explanation
Answer: Option B
Explanation:
No answer description available for this question.