Bacteria Morphology
Which of the following has Chinese letter arrangement?

Corynebacterium diphtheriae
Bacillus anthracis
Mycobacterium tuberculosis
Clostridium tetani

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Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

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

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Bacteria Morphology
Gram positive cells have a

thick capsule that traps the crystal violet stain
multiple layer of peptidoglycan that helps to retain the crystal violet stain
second outer membrane that helps to retain the crystal violet stain
periplasmic space that traps the crystal violet

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Bacteria Morphology
Porins are located in

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

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