The Ixodes tick can infect humans with Borrelia burgdorferi during which stage(s) of its life cycle?

A. only as a larva
B. only as a nymph
C. only as an adult
D. either as a nymph or an adult
E. either as a larva or a nymph


Answer: D

Biology & Microbiology

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A. an endemic B. hyperendemic C. sporadic D. an epidemic

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Within eukaryotic genes are sections of information called ________ that will be removed from the RNA strand prior to it leaving the nucleus

a. introns and exons b. introns c. promoter sequences d. exons e. RNA polymerases

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The splitting of water and the generation of oxygen occur where?

A. The Krebs Cycle B. Photosystem I C. The Calvin Cycle D. Photosystem II

Biology & Microbiology

The most rapid differentiation in an embryo occurs during the first 2 months of pregnancy

Indicate whether the statement is true or false

Biology & Microbiology