Why Are K_D and EC₅₀ usually Not the Same

question 23

Multiple Choice

Why are K_D and EC₅₀ usually not the same?

• A) Not all receptors are capable of activating cell response
• B) Not all receptors are capable of binding ligand
• C) Some receptors are inactive
• D) Some receptors bind more than one ligand
• E) The cell has "spare receptors"

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Definitions:

Absorption Costing

A method of costing that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed manufacturing overhead - in the cost of a product.

Variable Costing

An accounting method that includes only variable costs - costs that change with production levels - in product cost calculations.

Net Operating Income

It refers to the profit generated from a company's ordinary, core business operations after subtracting operating expenses from operating revenues.

First Year

The initial year of operation, production, or accounting period.