The empirical formula for the structural formula below is
A. COH.
B. C4HO2.
C. CH2O.
D. CHO2.
C. CH2O.
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How can biodiversity affect the way we decontaminate industrial sites?
I) Bacteria have been found to be able to detoxify certain chemicals; perhaps there are more. II) Trees produce sawdust, which can be used to soak up chemicals. III) Species evolving in contaminated areas could adapt and detoxify the area. A) only I B) only II C) only III D) only II and III E) I, II, and III
If a population was in Hardy-Weinberg equilibrium, then ____ would occur in that population.
A. directional selection B. an increase of recessive alleles C. no evolutionary changes D. assortive mating E. natural selection
The negatively charged phosphates of ATP influence one another by
A) relative hydration. B) charge repulsion. C) resonance hybridization. D) dehydrogenation. E) all of the above
Gametic incompatibility is an example of
A) hybrid inviability. B) a premating isolating mechanism. C) a geographic isolating mechanism. D) a postmating isolating mechanism.