An example of lysogeny in animals could be
a. slow viral infections.
b. latent viral infections.
c. T-even bacteriophages.
d. infections resulting in cell death.
e. none of the above
Answer: b. latent viral infections.
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Oral bacteria on the tooth surface
A. use fimbriae and slime layers to adhere. B. develop a biofilm. C. metabolize sucrose, produce sticky glucans, and form plaque. D. All of the above are correct.
Which two structures of the human digestive tract can be classified as endocrine glands since they
produce hormones?
a. liver and gallbladder b. liver and pancreas c. liver and small intestine d. pancreas and small intestine e. pancreas and stomach
Why do immunizations require two doses?
a. The first dose stimulates the effector cells only, and the second dose stimulates the memory cells only. b. The first dose stimulates the primary immune response, and the second dose stimulates the secondary immune response. c. In case the first dose isn't enough to induce immunity, a second dose is given. d. The first dose often is ineffective. e. The first dose stimulates the innate immune response, and the second dose stimulates the adaptive immune response
In fragile X syndrome, the fragile X gene contains the nucleotide triplet CGG that repeats 200-1000
times. Indicate whether the statement is true or false.