Stimulation of flowering in spring by prolonged exposure to low temperature in winter is called:
a. senescence
b. vernalization
c. abscission
d. dormancy
e. chlorosis
b
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The phylum Cnidaria includes (select all that apply)
A. sponges B. jellyfish C. corals D. placozoans E. comb jellies
Because there was no previous history of hemophilia in Queen Victoria's family, and because she transmitted the mutant allele to a number of her children, it is reasonable to assume that ____
a. her father was homozygous for the disorder b. her mother was homozygous for the disorder c. her sister was a heterozygous carrier d. she was homozygous for the disorder e. she was a heterozygous carrier
Which of the following conditions is NOT caused by a deficiency of a water-soluble vitamin?
a. beriberi b. pellagra c. rickets d. scurvy e. anemia
Which of the following does NOT happen when the
body has excess sodium? a. More sodium is excreted. b. More sodium is reabsorbed. c. Edema occurs. d. Blood pressure rises. e. Aldosterone secretion is inhibited.