The empirical formula for the structural formula below is





A. COH.

B. C4HO2.

C. CH2O.

D. CHO2.


C. CH2O.

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

Gametic incompatibility is an example of

A) hybrid inviability. B) a premating isolating mechanism. C) a geographic isolating mechanism. D) a postmating isolating mechanism.

Biology & Microbiology