Substrates used by methanogens include H2 and CO2 as well as short-chain organic compounds such as ________.
A. methanol
B. acetate
C. formate
D. All of the choices are correct.
Answer: D
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One reason we see relatively little genetic variation among human regional populations is that:
A. extensive migration among human populations has homogenized gene pools. B. extensive convergent evolution has homogenized gene pools. C. genetic drift has reduced variation in most regional populations over time. D. humans migrated out of Africa so recently that we haven't had enough time for regional variation to accumulate. E. None of the answer options are correct.
Fruit often has fleshy tissues that develop from the:
a. endosperm b. ovule c. seed coat d. cotyledon e. ovary wall
A woman with normal vision, whose father has sex-linked color blindness, marries a man with normal vision. They have a son who has Klinefelter syndrome and is color blind
Describe precisely what kind of event could caused have his Klinefelter syndrome.
How did the rice genome project influence other genome projects?
A. It was the first genome sequenced, so it proved it could be done. B. It sped up the analysis of the human genome, since rice has even more genes. C. It sped up the genome analysis of other cereal crops, due to synteny. D. It helped analysis of all genomes, since it was the basis of the ENCODE algorithms.