Amphioxus is an example of a
A. tunicate.
B. reptile.
C. hagfish.
D. amphibian.
E. lancelet.
E. lancelet.
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Rank the following in order from most general to most specific: 1. gametic isolation 2. reproductive isolating mechanism 3. sperm-egg incompatibility in sea urchins 4. prezygotic isolating mechanism
A) 2, 3, 1, 4 B) 2, 4, 1, 3 C) 4, 1, 2, 3 D) 4, 2, 1, 3 E) 2, 1, 4, 3
The hexameric model of DNA unwinding proposes that:
A. DNA strands are separated prior to helicase binding. B. one dimer is responsible for ATP hydrolysis. C. two dimers rotate the responsibility of ATP hydrolysis. D. three dimers rotate the responsibility of ATP hydrolysis. E. dimer conformational changes drive ATP hydrolysis.
Varicella is a member of the herpes family of viruses and produces a latent infection
Indicate whether this statement is TRUE or FALSE.
The formation of fat from excess glucose is called ____
Fill in the blank(s) with the appropriate word(s).