Which chemical released by white blood cells causes capillaries to leak?
a. cytokines
b. histamine
c. interferons
d. complement
e. interleukins
B
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Which molecule stimulates phosphofructokinase to increase the flow of intermediates through glycolysis?
a. NADH b. FADH2 c. ATP d. AMP
e. acetyl CoAIn treating hemolytic disease of the newborn, attempts are made to destroy ____________________
fetal cells that enter the mother's blood. Fill in the blank(s) with the appropriate word(s).
All of the following are associated with the streak plate method of isolation EXCEPT:
a) a solid medium in a Petri dish b) colonies growing at and below the surface of the medium c) a sterile inoculating loop or needle d) isolation of CFU's from one another
Bt corn is a genetically engineered plant. What feature gives it value as a crop plant?
A) The plant produces a toxin designed to kill monarch butterflies. B) The plant produces a toxin designed to kill corn borers. C) The plant produces a toxin designed to kill competing plants (also known as weeds). D) The plant grows significantly larger ears of corn. E) The plant produces better-tasting kernels of corn.