When Substances Move Across a Plasma Membrane and Down Concentration

question 95

Multiple Choice

When substances move across a plasma membrane and down concentration gradients, this is called

• A) active transport.
• B) exocytosis.
• C) passive transport.
• D) pinocytosis.

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Definitions:

Net Capital Spending

The total expenditure on fixed assets less any sales of fixed assets during a given period, often used in assessing a company's investment in physical assets.

Earnings Before Interest And Taxes

A financial performance measure that calculates a company's profitability by excluding interest and taxes expenses.

Marginal Tax Rate

The rate of additional federal income tax to be paid on an additional dollar of income, which varies depending on income levels and filing status.

Taxable Income

The amount of an individual's or a company's income used to determine how much tax is owed to the government in a given tax year.