A Barr body is an example of
A) constitutive euchromatin.
B) facultative euchromatin.
C) facultative heterochromatin.
D) a nucleosome.
E) constitutive heterochromatin.
C
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Foods rich in complex carbohydrates are usually high in
a. cholesterol. b. fiber. c. fats. d. oils. e. resins.
In this figure, the genotype of the resistant parental bollworms is ___ while the susceptible parental bollworms have a ___ genotype. Select one:
a. RR; Rr b. Rr; rr c. RR; rr d. Rr; RR e. rr; RR
Fusion of the nuclei of a dikaryotic cell in club fungi ____.
A. results in one diploid spores. B. results in two haploid spores. C. results in one diploid zygote. D. produces the gills under the mushroom cap. E. results in the mushroom fruiting body.
How is alcohol classified?
A. stimulant B. psychoactive C. inhibitor D. depressant E. none of these