Which of the following would increase the rate of blood flow through a blood vessel?
A) increased pressure of the blood entering the vessel
B) decreased radius of the vessel
C) increased length of the vessel
D) increased viscosity of the blood
E) constriction of the blood vessel
Answer: A) increased pressure of the blood entering the vessel
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The chemiosmotic process in chloroplasts involves the _____
A) establishment of a proton gradient across the thylakoid membrane B) diffusion of electrons through the thylakoid membrane C) reduction of water to produce ATP D) movement of water by osmosis into the thylakoid space from the stroma E) formation of glucose, using carbon dioxide, NADPH, and ATP
Which of the following disease symptoms would you expect to see in legumes grown in sterile soil?
a. purplish veins b. chlorosis and mottled or bronzed leaves c. chlorosis in older leaves and stunted growth d. burned leaf edges and curled, mottled, or spotted older leaves e. pale green, rolled, or cupped leaves
The leading cause of extinction by human activities worldwide is
A) habitat fragmentation. B) predation. C) pollution. D) invasive species. E) overexploitation.
What can you conclude from data in the figure?
A) The lipase from bacteria X is insensitive to changes in pH. B) Only the lipase from bacteria Y denatures at high temperatures. C) Bacteria X likely lives in an environment that undergoes large changes in temperature. D) The lipase from bacteria Y is more active than the lipase from bacteria X at 20°C.