Each of the following statements regarding bacterial structures is correct EXCEPT:
A. Pili mediate the interaction of bacteria with mucosal epithelium
B. Polysaccharide capsules retard phagocytosis
C. Both gram-negative rods and cocci have lipopolysaccharide in their cell wall
D. Bacterial flagella are non-antigenic in humans because they closely resemble human flagella
Ans: D. Bacterial flagella are non-antigenic in humans because they closely resemble human flagella
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It is usually beneficial to add nitrogen when one attempts to stimulate hydrocarbon degradation in the ocean.
Answer the following statement true (T) or false (F)
Lizards can control spider populations on Caribbean islands by which density dependent
mechanism(s)?
a. Predation. b. Competition. c. Predation on a common predator. d. Predation and competition. e. Predation, competition, and predation on a common predator.
Gametes are formed at stage ____
a. A b. B c. C d. D e. E
The cerebrum is more developed in monkeys, apes, and humans compared to other primates
____________________ Indicate whether the statement is true or false.