Many male birds will expend a great deal of energy building nests. Females will mate with the males who build the
best nests. This is best described as an example of ____.
a. natural selection
b. sexual selection
c. runaway selection
d. an invasive species
e. disruptive selection
ANSWER: b
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What is the function of gastric inhibitory peptide?
a. reduces salivary secretions in the mouth b. stops contractions of the stomach c. slows peristalsis in the intestine d. prevents bile secretion by the liver
Albinism is an autosomal (not sex-linked) recessive trait. A man and woman are both of normal pigmentation and have one child out of three who is albino (without melanin pigmentation). What are the genotypes of the albino's parents?
A) One parent must be homozygous for the recessive allele; the other parent can be homozygous dominant, homozygous recessive, or heterozygous. B) One parent must be heterozygous; the other parent can be homozygous dominant, homozygous recessive, or heterozygous. C) Both parents must be heterozygous. D) One parent must be homozygous dominant; the other parent must be heterozygous.
If glycolysis is considered universal, which of the following illustrates that?
a. Glycolysis occurs in Archaea, Bacteria, and Eukarya. b. Glycolysis occurs in Archaea and Eukarya. c. Glycolysis occurs in Bacteria and Eukarya. d. Glycolysis occurs in Archaea and Bacteria.
A(n) ________ is the device that is used to measure blood pressure
Fill in the blank(s) with correct word