Once the gene that confers blight resistance has been identified, it must be _______________
a. inserted into a plasmid
b. translated and transcribed
c. modified
d. injected into the nonresistant plant cells
A
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An example of a selective medium for gram-positive organisms is:
a. MacConkey agar. b. blood agar. c. colistin and nalidixic acid. d. thioglycollate broth.
With its claw removed, the male fiddler crab will be unable to mate; the claw is needed to ________
a. restrain the female while mating b. obtain prey to provide to the female c. confront predators who otherwise would attack the defenseless females d. attract females, who select males on the basis of claw size
A genetic counselor would know that the probability of having a child affected with a condition
inherited as an autosomal recessive would be: a. 0.5 or 50% if both parents were homozygous normal. b. 0.5 or 50% if both parents were heterozygous. c. 0.25 or 25% if both parents were homozygous normal. d. 0.25 or 25% if both parents were heterozygous. e. 0% if both parents were heterozygous
The difference between spongy bone and compact bone is that spongy bone:a
is found near the surfaces of bone, while compact bone is found interiorly. b. consists of osteons, while the compact consists of thin strands of bone. c. is filled with red bone marrow, while compact bone is not. d. occupies the diaphysis, while compact bone occupies the epiphysis. e. is involved in bone development, while compact bone is not.