Which of the Following Is True of Enzymes

question 58

Multiple Choice

Which of the following is true of enzymes?

• A) Nonprotein cofactors alter the substrate specificity of enzymes.
• B) Enzyme function is increased if the 3-D structure or conformation of an enzyme is altered.
• C) Enzyme function is independent of physical and chemical environmental factors such as pH and temperature.
• D) Enzymes increase the rate of chemical reaction by lowering activation energy barriers.
• E) Enzymes increase the rate of chemical reaction by providing activation energy to the substrate.

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Definitions:

Equity Value

The total value of a company's shares of stock, representing the portion of the company's total value owned by its shareholders.

Plowback Ratio

The proportion of earnings retained by a company after dividends are paid, often used for reinvestment in the business or to pay down debt.

P/E Ratio

Price-to-Earnings Ratio, a valuation metric that compares a company's stock price to its per-share earnings.

Capital Asset Pricing Model (CAPM)

A model used to determine the theoretical expected return of an investment given its risk, by relating the risk of an asset to its expected return through beta.