Which type of toxin(s) directly harm cells when absorbed from the environment?
A) viral exotoxins
B) viral endotoxins
C) bacterial exotoxins
D) bacterial endotoxins
E) all bacterial molecules
Correct Answer:
Verified
Q13: Protective layers outside the bacterial cell membrane
Q14: Which bacterial structure is intracellular?
A)flagellum
B)pilus
C)plasmid
D)capsule
E)cell wall
Q15: Once retroviral DNA is incorporated into the
Q16: A(n) _ disease has only recently been
Q17: Methanogens are classified as _.
A)photoautotrophs
B)chemoautotrophs
C)photoheterotrophs
D)chemoheterotrophs
E)chemotrophs
Q19: How does a retrovirus prepare its genetic
Q20: Four of the five answers listed below
Q21: Which bacteria ferment sugars, produce lactate, and
Q22: A respiratory disease and a skin disease
Q23: Bacteriophages are specialized viruses that _.
A)infect plants
B)lack
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