Which structure is found on the interior of the cell?
a. Capsule
b. Cell wall
c. Pili
d. Cytoplasm
e. Plasma membrane
d
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Clown fishes form symbiotic relationships with members of this group of cnidarians:
a. siphonophores. b. hydrozoans. c. anthozoans. d. scyphozoans. e. bryozoans.
In vertebrates, mechanoreceptors are not found in which of the following:
1.skin 2.skeletal muscles 3.walls of blood vessels 4.internal organs 5.all of these structures have mechanoreceptors
Which outcome could help you identify a trait whose expression is determined by the effects of two or more genes (polygenic inheritance)?
A. A mating between a homozygous and a heterozygous individual produces more than the expected number of offspring expressing the dominant trait. B. The trait varies along a continuum in the population. C. All of the alleles of the gene for that trait are equally expressed. D. Pleiotropy occurs.
Which of the following statements is the best prediction based on the hypothesis that bird species have decreased in number in a particular wetland because of construction traffic?