Nitrogen-fixing bacteria convert gaseous nitrogen into:a
amino acids.
b. phosphate.
c. ammonia.
d. nitrite.
e. nitrate.
C
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In a nucleosome, the DNA is wrapped around _____
A) polymerase molecules B) ribosomes C) histones D) a thymine dimer E) satellite DNA
Lactic acid fermentation occurs in (select all correct answer options):
A. animals and plants. B. plants and bacteria. C. bacteria and animals. D. fungi and bacteria. E. animals and fungi.
True or false: In addition to eliminating toxic compounds, the three-step waste elimination process also allows multicellular organisms to regulate the amount of water and solutes in their bodies
A. true B. false
If cytosine makes up 15% of the bases in a sample of DNA from an organism, then adenine makes up what percentage of the bases?
What will be an ideal response?