What Is the Difference Between Cofactors and Coenzymes

question 51

Multiple Choice

What is the difference between cofactors and coenzymes?

• A) Cofactors are not necessary for enzyme function, but coenzymes are.
• B) Cofactors can be inorganic or organic, but coenzymes are always inorganic.
• C) Cofactors can be inorganic or organic; coenzymes are organic cofactors.
• D) Cofactors are always vitamins; coenzymes are always ions.
• E) Cofactors help with essential metabolic reactions; coenzymes assist with nonessential metabolic reactions.

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Definitions:

Contribution Margin

The amount remaining from sales revenue after variable expenses have been deducted.

Segment Margin

The amount of profit or loss generated by a specific segment of a business, after deducting direct and allocated expenses attributable to that segment.

Common Fixed Expenses

Expenses that do not vary with the level of production or sales and are typically required to run a business, such as rent, salaries, and insurance.

Variable Costing

A costing method that includes only variable manufacturing costs—direct materials, direct labor, and variable manufacturing overhead—in the cost of goods sold, treating fixed manufacturing overhead as a period cost.