Bacteria Morphology Which of the following may be most likely to be missing from a gram-positive bacterium? Lipopolysaccharide Peptidoglycan Penicillin binding protein Phospholipid bilayer membrane Lipopolysaccharide Peptidoglycan Penicillin binding protein Phospholipid bilayer membrane ANSWER DOWNLOAD EXAMIANS APP
Bacteria Morphology Which of the following is not true about peptidoglycan? None of these It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.) It is present in prokaryotic cell wall It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane None of these It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.) It is present in prokaryotic cell wall It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane ANSWER DOWNLOAD EXAMIANS APP
Bacteria Morphology Which of the following is true about cell wall of gram-positive bacteria? All of these It consists of multiple layers It contains teichoic acids It is thicker than that associated with gram-negative bacteria All of these It consists of multiple layers It contains teichoic acids It is thicker than that associated with gram-negative bacteria ANSWER DOWNLOAD EXAMIANS APP
Bacteria Morphology Teichoic acids are typically found in cell walls of gram positive bacteria outer membranes of gram negative bacteria cell walls of gram negative bacteria outer membranes of gram positive bacteria cell walls of gram positive bacteria outer membranes of gram negative bacteria cell walls of gram negative bacteria outer membranes of gram positive bacteria ANSWER DOWNLOAD EXAMIANS APP
Bacteria Morphology The cell walls of Gram positive bacteria contain two modified sugar, viz. N- acetylgucosamine (NAG) and N- acetylmuramic acid (NAM). They are covalently linked by α- 1,6-glycosidic bond α- 1,4-glycosidic bond β-1,6-glycosidic bond β- 1,4-glycosidic bond α- 1,6-glycosidic bond α- 1,4-glycosidic bond β-1,6-glycosidic bond β- 1,4-glycosidic bond ANSWER DOWNLOAD EXAMIANS APP
Bacteria Morphology Which is most likely to be exposed on the surface of a gram-negative bacterium? Phospholipids Pore protein (porin) Lipoteichoic acid Protein involved in energy generation Phospholipids Pore protein (porin) Lipoteichoic acid Protein involved in energy generation ANSWER DOWNLOAD EXAMIANS APP