Margination refers to
A) the adherence of phagocytes to microorganisms.
B) the chemotactic response of phagocytes.
C) adherence of phagocytes to the lining of blood vessels.
D) dilation of blood vessels.
E) the movement of phagocytes through walls of blood vessels.
C
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The number of ATP molecules generated per atom of oxygen that is reduced when electrons are passed from NADH or reduced FAD (FADH) to O2 is called the
A. P/O ratio. B. phosphorylation coefficient. C. utilization ratio. D. energy yield.
The Northern Hemisphere is most tilted toward the sun in _____
a. spring b. summer c. autumn d. winter
A ball at the top of a hill is an example of______ and a ball rolling down the hill is an example of ______.
A. potential energy; kinetic energy B. kinetic energy; potential energy C. exergonic reaction; endergonic reaction D. noncompetitive inhibition; competitive inhibition E. competitive inhibition; noncompetitive inhibition
Phloem transport of sucrose is often described as going from source to sink. Which of the following would not normally function as a sink?
A) growing leaf B) growing root C) storage organ in summer D) mature leaf E) shoot tip