If All of the Cysteine Residues of a Protein Were

question 66

Multiple Choice

If all of the cysteine residues of a protein were changed to threonines,

• A) the structure of the protein would not change, because both residues have hydrophobic properties.
• B) the protein would lose activity, but the structure would remain the same.
• C) the protein would lose peptide bond formation, and thus it would lose its primary structure.
• D) the protein would lose disulfide bond formation, which would affect the stability of its tertiary structure.
• E) the hydrogen bonds would be lost, affecting α helix and β pleated sheet formation.

Distinguish between stressors and responses to stress.

Understand behavior patterns associated with health outcomes.

Apply problem-focused and emotion-focused coping strategies to real-life scenarios.

Recognize the stages of behavioral change and intervention strategies.

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Definitions:

Face Value

The original value or principal amount of a security as stated by the issuer.

Weighted Average Cost

A method of calculating the average cost of inventory or cost of goods sold by weighting each item by its relevance or quantity.

Cost of Equity

The yield a business seeks to determine whether an investment fulfills its requirements for capital returns, frequently calculated through methods such as the Capital Asset Pricing Model (CAPM).

Face Value

The nominal value of a security stated by the issuer.