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
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When a disease maintains a relatively steady, low-level frequency at a moderately regular interval, it is called ________.
A. an endemic B. hyperendemic C. sporadic D. an epidemic
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
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
The most rapid differentiation in an embryo occurs during the first 2 months of pregnancy
Indicate whether the statement is true or false