Where does the gas exchange necessary to support photosynthesis take place?
a. mesophyll
b. chloroplasts
c. stomata
d. thylakoids
c. stomata
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A physician has a young man as a patient who does not seem to be developing male secondary sex characteristics. Predict which hormone the physician could prescribe to help this issue.
A. estradiol B. progesterone C. testosterone D. cortisol E. growth hormone
In which direction do the replication forks move in prokaryotic DNA replication?
a. 3’-5’ b. 5’-3’ c. both directions d. the replication forks do not move
Veins from the ____ join together and form the hepatic portal vein
a. large intestine b. liver c. pancreas d. small intestine e. stomach
Which characteristic seems to be most
uniquely correlated with metastasis? a. loss of nuclear-cytoplasmic controls governing cell growth and division b. changes in adhesion proteins on membrane surfaces c. shrinkage of the cytoskeleton d. increase in blood supply to the tumor e. none of these