Ques:Q: Methyl groups are found within what? Choices: - rna acids - DNA molecules - peptide chains - amino acids A:

Ans:amino acids
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Ques:Q: What type of oil is being explored to replace petroleum products in lubricants? Choices: - essential oil - diesel - whale oil - vegetable A:

Ans:vegetable
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Ques:Q: Acceleration is a vector, and thus has a both a magnitude and what else? Choices: - temperature - pressure - wavelength - direction A:

Ans:direction
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Ques:Q: In essence, a virus is simply a nucleic acid surrounded by what? Choices: - a membrane coat - a polymer coat - a polypeptide - a protein coat A:

Ans:
a protein coat
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