Biological Classification And System Of Classification Question 399
Penicillin antibiotic which affects bacterial
[BHU 1989]
Options:
A) DNA replication
B) Protein synthesis
C) Plasma membrane properties
D) Peptidoglycan synthesis (cell wall)
Show Answer
Answer:
Correct Answer: A
Solution:
Most bacteria produce a cell wall composed of peptidoglycan. Human cells do not make peptidoglycan. Penicillin, one of the first antibiotics, prevents the final cross-linking step or transpeptidation, in the assembly of peptidoglycan.
BETA
