The correct answer is A. peptidoglycan.
Peptidoglycan is a structural component of bacterial cell walls, not a component of viruses. The other options (envelope, surface glycoproteins, and nucleocapsid) are indeed components related to viruses.
A.peptidoglycan
B.envelope
C.surface glycoproteins
D.nucleocapsid
1 answer
The correct answer is A. peptidoglycan.
Peptidoglycan is a structural component of bacterial cell walls, not a component of viruses. The other options (envelope, surface glycoproteins, and nucleocapsid) are indeed components related to viruses.