Biology · Microbiology
During bacterial cell elongation and subsequent binary fission, how is the cell wall peptidoglycan layer modified to accommodate growth?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Newly synthesized peptidoglycan is deposited exclusively as an outer independent layer without interacting with the existing cell wall.
- 2The old peptidoglycan layer is completely degraded first and then replaced entirely by a newly synthesized longer polymer.
- 3New peptidoglycan synthesis is required, but absolutely no hydrolysis of the existing peptidoglycan occurs.
- 4New peptidoglycan synthesis is required along with the controlled hydrolysis of bonds linking the old peptidoglycan chains.✓
Correct answer
New peptidoglycan synthesis is required along with the controlled hydrolysis of bonds linking the old peptidoglycan chains.
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