____ are likely to provide hints about the earth's early atmosphere
a. Ancient rocks
b. Volcanic eruptions
c. Ancient rocks and volcanic eruptions
d. Meteorites and ancient rocks
e. Meteorites, volcanic eruptions, and ancient rocks
ANSWER: e
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A drug targeting ________ would NOT be an effective antibiotic
A) ZipA B) FtsI C) MreB D) transpeptidation
Which of these actions will reduce the rate of diffusion?
a. increasing the temperature b. increasing membrane surface area c. increasing membrane thickness d. increasing the concentration gradient
In pedigree charts, if both parents are carriers of an autosomal recessive disorders, typically the disorder will
A. occur every third generation. B. appear in every generation. C. seem to disappear in one generation, only to reappear in the next generation. D. appear only in females. E. appear only in males.
Which element is a density-dependent factor that controls the size of a population?
a. wind velocity b. light intensity
c. resource availability d. temperature e. wave action in an intertidal zone