Bacteria Components

Question 1

capsule

Answer 1

K antigen, prevents phagocytosis

Question 2

cell wall

Answer 2

THICK in gram +
THIN in gram -
M protein - streptococci
A protein - staphylococci

Question 3

flagella

Answer 3

H antigen

Question 4

lac operon

Answer 4

glucose - decreased cAMP, CAP not bound
no glucose - increased cAMP, CAP bound

lactose - binds and inhibits repressor
no lactose - repressor bound

ONLY transcribed when no glucose

Question 5

conjugative plasmid

Answer 5

F factor