Scientists have no way to measure objectively the
A. love that humans feel for a pet.
B. effect of a neurotransmitter on a muscle.
C. force of a muscular contraction.
D. level of insulin in the bloodstream.
E. volume of blood flow through an artery.
A. love that humans feel for a pet.
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Microorganisms in abscesses often are not killed by antimicrobial agents because
A. the microorganisms stop dividing. B. of the chemical nature of the pus. C. of the lack of blood vessels. D. of the high level of oxygenation. E. the microorganisms stop dividing, of the chemical nature of the pus AND of the lack of blood vessels.
How do planarians survive without a circulatory system? What will be an ideal response?
If you plot mean annual precipitation against mean annual temperature and look at the distribution of major biomes relative to these two variables, which biome would be in the central region of the graph?
A. savanna B. hot desert C. tropical rain forest D. temperate deciduous forest E. taiga
Which of these is a property of isotopes that make it useful in cell biology?
A. they never breakdown B. they behave the same chemically C. they behave differently chemically D. the molecules they are part of break down more easily E. the molecules they are part of are more stable