In humans, ________ divide by meiosis to produce eggs and sperm.
A. somatic cells
B. gametes
C. triploid
D. zygotes
E. germ-line cells
Answer: E
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Which of the following is NOT true of
polysaccharides? a. composed of many linked monosaccharides b. may be straight and unbranched or highly branched c. most likely made of glucose molecules if they are one of the natural polysaccharides d. may be insoluble because of their large size and structure e. are formed by cleavage reactions
Parabronchi are characteristic of:
a. insects. b. spiders. c. mollusks. d. birds. e. mammals.
The functional differences, as well as differences in three-dimensional structures, between two different enzymes from E. coli result directly from their different:
A) affinities for ATP. B) amino acid sequences. C) roles in DNA metabolism. D) roles in the metabolism of E. coli. E) secondary structures.
Which of the following were challenges that had to be overcome to sequence the genome of wheat, Triticum aestivum? (Select all that apply)
A. Lack of advanced sequencing technology B. Large genome size (~5 times as large as human genome) C. High mutation rate of wheat genes D. An abundance of repetitive DNA E. Lack of interest/support in sequencing the genome