The intrinsic rate of increase is ____ for bacteria, protists, and animals with short generation times and ____ for those
with long generation time.
a. high; low
b. high; constant
c. low; high
d. low; constant
e. constant; low
ANSWER: a
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Pol III holoenzyme of E. coli is composed of:
A. three Pol III cores, two ? clamps, two clamp loaders. B. two Pol III cores, two ? clamps, and one clamp loader. C. two Pol III cores, two ? clamps, and two clamp loaders. D. three Pol III cores, two ? clamps, one clamp loader. E. three Pol III cores, three ? clamps, one clamp loader.
Signals that stimulate the release of hormone
molecules are carried along a. A. b. B. c. C. d. D. e. E.
Why is immersion oil often used when viewing specimens under the microscope?
A. to increase the resolution B. to reduce the amount of heat reaching the slide from the light source C. to stain the cells blue D. to prevent the smear from drying out E. to slow bacterial movement so you can see cells better
If one was attempting to build a model that predicted a person's height-which has to be positive, why might it still be the case that you wouldn't consider this as a limited dependent variable?
A. You need an appropriate instrumental variable for height. B. It will depend on your sample size. C. It is very unlikely that the 0 boundary for height is a binding restriction in any sample of individuals. D. The sample of heights will always be a selected sample.