Disulfide bonds contribute to the ___________ structure of insulin

a. primary and secondary
b. secondary and tertiary
c. tertiary and quaternary
d. secondary, tertiary, and quaternary


c

Biology & Microbiology

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What is a proximate cause of the non-combative behavior of male African cichlids that do not hold territories?

a. Cichlids can detect and store information about aggressive encounters. b. The GnRH-producing neurons in the hypothalamus are small. c. The testes do not produce testosterone. d. GnRH production is high. e. Noncombative behavior allows the male to build his strength for a takeover attempt of territory.

Biology & Microbiology

Describe the mechanism by which a plant responds to gravity

What will be an ideal response?

Biology & Microbiology

The male product of meiosis is the structure in Figure 28-2 labeled:a

5.
b. 10.
c. 13.
d. 18.
e. 20.

Biology & Microbiology

The conversion of non-toxin-producing strains of Corynebacterium diphtheriae to toxin-producing (pathogenic) strains following lysogeny with phage is an example of

a. lysogeny switching. b. phage conversion. c. transduction. d. transposition.

Biology & Microbiology