Which of the following is a reactant in the process of photosynthesis?
a. oxygen
b. glucose
c. proteins
d. carbon dioxide
d. carbon dioxide
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Stomatal opening requires ATP to move _____________ from ____________ concentration
A. water; low to high B. water; high to low C. solutes; low to high D. solutes; high to low
Phytoplankton is mainly found
A. near the ocean surface. B. on the ocean bottom. C. growing on rocks in freshwater streams. D. only in very cold water.
The first sign of PKU in newborns is abnormally high levels of ____________________ in the blood and urine
Fill in the blank(s) with correct word
Which of the following statements about atherosclerosis is false? a. Both high-fat diets and genetics influence the development of the disease
b. A heart attack occurs when a cardiac artery is completely blocked. c. High HDL levels in blood increase risk of atherosclerosis. d. Buildup of lipids in the arterial wall narrows the lumen.