Which of the following is correctly paired with regard to similarity in function?
A) adhesive junctions-tight junctions
B) desmotubule-gap junction
C) tight junctions-gap junctions
D) plaques-plasmodesmata
E) connexons-desmosomes
B) desmotubule-gap junction
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Which of the following is most likely to result in a nonfunctional polypeptide?
A. a silent mutation B. a missense mutation C. a nonsense mutation D. a transition mutation E. Silent and missense mutations are the most likely to result in a nonfunctional polypeptide.
The underlying phenomenon that makes selective breeding or artificial selection possible is genetic variation. It is possible to have phenotypic variation in natural populations because of....
A. artificial selection. B. gene inversion. C. differences in alleles for a specific trait. D. similarity in alleles for a specific trait. E. both artificial selection and gene inversion.
Which is NOT a stimulus that interoceptors can sense?
A. limb position B. pain C. gravity D. body temperature E. muscle length
In the Hardy-Weinberg equation, p2 + 2pq + q2 = 1. If the dominant allele frequency is 0.8, what percent of the population will be homozygous recessive?
A. 0.64 B. 0.16 C. 0.40 D. 0.04 E. 0.32