Bacteria Morphology
Which of the following is not true about peptidoglycan?

It is present in prokaryotic cell wall
It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane
It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.)
None of these

ANSWER DOWNLOAD EXAMIANS APP

Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

removal of the subunit from bactoprenol
linking the sugar of the disaccharide-peptide unit to the growing peptidoglycan chain
cross-linking the peptide side chains of peptidoglycan
synthesis of the NAM-peptide subunit

ANSWER DOWNLOAD EXAMIANS APP

Bacteria Morphology
Porins are located in

the periplasmic space of gram-negative bacteria
the outer membrane of gram-negative bacteria
the cytoplasmic membrane of both gram-negative and gram-positive bacteria
the peptidoglycan layer of gram-positive bacteria

ANSWER DOWNLOAD EXAMIANS APP