In Step 4 of the Citric Acid Cycle, the Reduction

question 63

Multiple Choice

In step 4 of the citric acid cycle, the reduction of NAD⁺ to NADH is coupled to the generation of CO₂ and the formation of a high-energy thioester bond.Which molecule provides the sulfhydryl group necessary to form the thioester bond?

• A)pyruvate
• B)acetyl CoA
• C)CoA
• D)cysteine side chain in the catalytic pocket

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Definitions:

Coefficient Of Determination

The coefficient of determination, denoted as R², measures the proportion of the variance in the dependent variable that is predictable from the independent variables in a regression model.

Coefficient Of Correlation

A mathematical metric that determines both the magnitude and trend of the association between two factors.

Coefficient Of Correlation

A measure that determines the strength and direction of a linear relationship between two variables, typically denoted as 'r'.

Linear Relationship

A type of relationship between two variables where the change in one variable is directly proportional to the change in the other variable.