Two Proteins Associated with a Rare Neurodegenerative Disorder Have Been

question 5

Multiple Choice

Two proteins associated with a rare neurodegenerative disorder have been sequenced.Protein A contains many polar amino acids with small regions containing nonpolar,hydrophobic amino acids.Protein B is rich in nonpolar,hydrophobic amino acids with only two small regions containing polar amino acids.What might this suggest about the two proteins?

• A)The two proteins may have different secondary structures.
• B)Protein A is fibrous and Protein B is globular.
• C)Protein A may be a cytoplasmic protein and Protein B may be a membrane associate protein.
• D)Protein A and Protein B are complementary parts of a supramolecular structure.
• E)Protein A is most likely and enzyme and Protein B is most likely a storage protein.

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Definitions:

Excess Return

The return on an investment that exceeds the return on a risk-free asset such as a Treasury bond.

Risk-Free Asset

A secure financial asset offering a promised payoff without any chance of losing money, commonly found in the form of government bonds.

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A type of lubricant made from lithium soap, used for its high resistance to extreme temperatures and water washout.

Gear Lube

A lubricant specifically formulated for gearboxes and transmissions to protect against wear, reduce friction, and ensure smooth gear changes.