​The Difference Between Normal and Sickle-Cell Hemoglobin Is _____

question 39

Multiple Choice

​The difference between normal and sickle-cell hemoglobin is _____.

• A) ​the number of amino acids in the molecule
• B) ​the substitution of one amino acid for another
• C) ​the number and orientation of the amino acid chains attached to the heme portion of the molecule
• D) ​the number of oxygen molecules that can be carried
• E) ​the types of blood cells that produce each protein

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Definitions:

Fixed Expenses

Costs that do not vary with the level of production or sales over a short period, such as rent, salaries, and insurance.

Break-Even

The point at which total costs and total revenues are equal, meaning there is no net loss or gain.

Absorption Costing

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

Variable Manufacturing Costs

Costs that fluctuate directly with the level of production output, such as the costs of raw materials and direct labor.