Reduction involves the
A) loss of neutrons.
B) gain of electrons.
C) increase in oxidation state.
D) both choices B and C
E) all of the above
B) gain of electrons.
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What is one of the roles of the APC/C during anaphase?
A. To directly target the mitotic cyclins for destruction. B. To directly target cohesin for destruction. C. To directly target separase for destruction. D. To directly target microtubules for destruction.
The ventral body cavities include
(a) the thoracic cavity. (b) the cranial cavity. (c) the abdominopelvic cavity. (d) both a and c.
All cells except bacteria and archaea
a. are eukaryotes. b. possess a nucleus. c. use organelles for compartmentalization. d. have a dynamic “skeleton” of proteins. e. are all of these.
Which of the following statements about restriction nucleases is false?
(a) A reproducible set of DNA fragments will be produced every time a restriction nuclease digests a known piece of DNA. (b) Restriction nucleases recognize specific sequences on single-stranded DNA. (c) Some bacteria use restriction nucleases as protection from foreign DNA. (d) Some restriction nucleases cut in a staggered fashion, leaving short, single-stranded regions of DNA at the ends of the cut molecule.