The expression of thousands of genes simultaneously is easily accomplished using which of the following techniques?
A) siRNAs
B) Northern blotting
C) microarrays
D) Eastern blotting
E) PAGE analysis
C) microarrays
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The aerated upper layer of soil is likely to have ________ concentrations of H2 for aerobic H2-oxidizing Bacteria, so these bacteria likely ________
A) high / thrive in such conditions by not competing with chemoorganotrophs B) high / generate important reducing equivalents as byproducts for other microorganisms in the soil C) low / do not occur in such habitats D) low / will need a chemoorganotrophic way to grow as well
. Eutherian mammals are uniquely defined by
A. having a placenta. B. longer gestation periods because of more highly developed placentas. C. having fur. D. the young developing in a pouch. E. laying eggs.
Of the primates listed below, a human's closest extant relative is a(n)
A. orangutan. B. South American spider monkey. C. mandrill. D. ring-tailed lemur.
Carriers and reservoirs are both considered
A. Contributors to period of acme in the disease B. Zoonoses C. Capable of transmitting infectious disease D. Opportunistic in the disease process E. Direct methods for disease transmission