The Only Known Regulatory Mechanism for Pyruvate Carboxylase Is

question 73

Multiple Choice

The only known regulatory mechanism for pyruvate carboxylase is

• A)activation by acetyl CoA.
• B)activation by phosphorylation.
• C)activation by cAMP.
• D)activation by NADH.

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Definitions:

Opportunity Cost

The cost of forgoing the next best alternative when making a decision, representing potential benefits that are missed.

Contribution Margin

The difference between a product's selling price and its total variable costs, which helps cover fixed costs and create profit.

Net Operating Income

The profit generated from a company's core business operations, excluding deductions for interest and taxes.

Contribution Approach

An accounting method where all variable costs are subtracted from sales to find the contribution margin, which is then used to cover fixed costs and profits.