Arthropods can serve as a reservoir for all of the following diseases EXCEPT
A) plague.
B) brucellosis.
C) epidemic typhus.
D) yellow fever.
E) malaria.
B
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Eusocial animals are those that ________
a. live together for generations and have a reproductive division of labor b. typically display altruistic behavior c. nest in colonies but live separately the rest of the year d. associate with others of their species only for breeding
Which of the molecules listed in question 5 are involved in translation?
A. DNA, B. mRNA, C. tRNA, D. Amino Acids
Crossing over
a. increases variability in gametes. b. results in only one exchange per homologue. c. occurs between sister chromatids. d. prevents genetic recombination. e. is followed immediately by separation of each of the chromatids.
What is the underlying reason that a lambda phage would need to switch from the lysogenic state to the lytic state?
A) To have its genome replicated B) To kill its host cell C) To make more of the Cro protein D) To be more efficient in its use of resources E) To escape an endangered host cell