The presence of freckles is due to a dominant allele. Four percent of the individuals in a particular population lack freckles
Use the Hardy-Weinberg formula to calculate the percentage of individuals in this population who are homozygous dominant for freckles. A) 32%
B) 4%
C) 64%
D) 80%
C
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Describe the physical factors involved in the layering of the oceans
What will be an ideal response?
The enzyme peptidyl transferase, which catalyzes the transfer of the polypeptide chain attached to the
tRNA in the __________ site to the aminoacyl-tRNA in the __________ site, is thought to be a(n) __________ molecule and not a protein. a. A; P; rDNA b. P; A; tRNA c. A; P; mRNA d. P; A; rRNA e. P; A; sugar
The neuropeptide neurotransmitters are involved in:
a. pain regulation. b. stimulation of skeletal muscle. c. inhibition of acetylcholine receptors. d. mood regulation. e. release of hormones
The function of coenzyme A in the citric acid cycle is most like
A) a hamster in its exercise wheel, running quickly but not getting anywhere. B) a limousine driver dropping off a couple at the school prom. C) throwing a baited hook into a lake and catching a fish. D) a recycling company, collecting paper and using it to manufacture new products. E) a kid jumping up and down on a trampoline.