A Substance Moves by Facilitated Diffusion into a Cell

question 16

Multiple Choice

A substance moves by facilitated diffusion into a cell. What is required for its transport?

• A) ATP
• B) ATP and a protein channel
• C) protein channel
• D) neither ATP nor a protein channel

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Definitions:

Flexible Budget

A flexible budget adjusts to changes in actual revenue or activity levels, allowing for more accurate comparisons and performance assessments.

Direct Labor Costs

Expenses related to the payment of wages for employees directly involved in producing goods or providing services.

Manufacturing Overhead Costs

Indirect expenses related to the production process, such as utilities, depreciation, and salaries for factory support staff.

Return on Investment

A measure used to evaluate the efficiency or profitability of an investment, calculated by dividing the benefit (return) of an investment by the cost of the investment.