Biomass is a renewable energy source derived from the organic matter produced by living organisms. All of the following are sources of biomass EXCEPT
A) oxidation of metals.
B) crops.
C) bacteria.
D) landfill sites.
E) algae.
A
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Molecules that are polar and attracted to water are ________; molecules that are nonpolar and therefore not attracted to water are ________
Fill in the blank(s) with correct word
The rapid development of knowledge regarding how to manipulate and analyze DNA, including techniques for modifying its structure, has led to the new field in biology known as
A) graphic display. B) DNA splicing. C) recombinant DNA technology. D) genetics. E) electrophoresis.
Of the following species of mycobacteirum, which causes a chronic disease of the skin, mucous membranes, and nerve tissue and has not yet been cultivated in vitro?
A. Mycobacterium paratuberculosis B. Mycobacteirum lepraemurium C. Mycobacteirum phlei D. Mycobcteirum leprae
The scientific study of life is called
A. biochemistry. B. ecology. C. anatomy. D. biology. E. limnology.