Gram-positive cell wall

Gram-positive cell wall

Prokaryotic cells almost always are bounded by a fairly rigid and chemically complex structure present between the cell membrane and capsule/slime layer called the cell wall. Peptidoglycan is the main … Read more

Biochemical Test of Staphylococcus epidermidis

Biochemical Test of Staphylococcus epidermidis

Biochemical Test of Staphylococcus epidermidis ­Basic Characteristics Properties (Staphylococcus epidermidis) Capsule Mostly Capsulated Catalase Positive (+ve) Citrate Negative (-ve) Coagulase Negative (-ve) Gas Positive (+ve) Gelatin Hydrolysis Negative (-ve) Gram … Read more

Biochemical test of Citrobacter freundii

Biochemical test of Citrobacter freundii

Biochemical test of Citrobacter freundii ­Basic Characteristics Properties (Citrobacter freundii) Capsule Negative (-ve) Catalase Positive (+ve) Citrate Positive (+ve) Flagella Positive (+ve) Gas from glucose Positive (+ve) Gelatin Hydrolysis Negative (-ve) … Read more

Biology of the B Lymphocyte

Biology of the B Lymphocyte

B lymphocytes They acquired their name from early experiments in chickens. The synthesis of antibody was shown to require the presence of an organ called the bursa of Fabricius (an … Read more