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Shana H.
Scientist for a government agency
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SAT II Biology E/M
TutorMe
Question:

What nitrogenous base occurs in RNA but not in DNA?

Shana H.
Answer:

Uracil

Biochemistry
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Question:

Which of the following forces is the most favorable for protein folding?

Shana H.
Answer:

Hydrophobic Interactions. Hydrophobic Effect is a major driving force for protein folding compared to other interactions such as hydrogen bonding, ionic bonding, and vander waals.

Biology
TutorMe
Question:

What class of organisms convert nitrogen-containing organic molecules into nitrates?

Shana H.
Answer:

Decomposers (e.g., bacteria). Decomposers like bacteria or microbes can covert nitrogen-containing organic molecules into ammonia. Ammonia, which is a form of nitrogen-containing molecule, is subsequently converted to nitrate that plants can use to synthesize new organic compounds with nitrifying bacteria.

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