A lack of ________ would impair the body's ability to maintain homeostasis.
A. All items listed are necessary to maintain homeostasis.
B. oxygen
C. food
D. water
Answer: A
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Angiotension II stimulates the posterior pituitary gland to secrete ___________________ hormone.
Fill in the blank(s) with the appropriate word(s).
In ________, ions or molecules move in opposite directions.
A. ionport B. symport C. uniport D. antiport E. comport
The uptake of cholesterol into cells is an example of
A. receptor-mediated endocytosis. B. simple diffusion. C. receptor-mediated exocytosis. D. phagocytosis. E. pinocytosis.
The allele for cleft chin (C) is dominant to the allele for uncleft chin (c). A male and female who are both heterozygous for cleft chin have a child. What is the chance that this child will have an uncleft chin?
A. 25% B. 50% C. 75% D. 100% E. 0%