Facilitated Diffusion and Active Transport Differ in That

question 35

Multiple Choice

Facilitated diffusion and active transport differ in that

• A) facilitated diffusion uses cell membrane proteins to move substances, whereas active transport does not.
• B) facilitated diffusion uses a substrate to bind to a protein carrier, whereas active transport does not.
• C) ATP is necessary for active transport, but not for facilitated diffusion.
• D) facilitated diffusion moves water across the cell membrane, whereas active transport does not.
• E) potential energy is required for active transport but not for facilitated diffusion.

Understand the relationship between central tendency and variation.

Differentiate between descriptive and inferential statistics.

Appreciate the significance of statistical significance in reported averages.

Understand correlation and its role in exploring relationships between variables.

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Definitions:

Variable Cost Per Unit

The cost that varies with the level of output or production, such as materials and labor, on a per-unit basis.

Total Variable Cost

The sum of all costs that vary with the level of output produced, such as materials and labor.

Break-Even Analysis

Technique used to examine the relationships among cost, price, revenue, and profit over different levels of production and sales to determine the break-even point.

Variable Costs

Expenses that change in proportion to the activity or volume of a business.