Which of the Following Is Not a Difference Between Passive

question 43

Multiple Choice

Which of the following is not a difference between passive facilitated transport and active transport?

• A) Active transport moves substances against their concentration gradient, while facilitated transport moves substances down their concentrations gradient.
• B) Active transport and facilitated transport both play a role in maintaining proper concentrations of substances in the intra- and extracellular environments.
• C) Active transport requires a membrane protein to move molecules across the plasma membrane, while facilitated transport does not.
• D) Active transport requires energy input in the form of ATP, while facilitated transport does not.

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Definitions:

Units Sold

The total number of units of a product that have been sold during a particular period.

Period Cost

Costs that are not directly tied to the production process and are expensed in the period they are incurred.

Opportunity Cost

The cost of forgoing the next best alternative when making a decision, representing the benefits one could have received by taking a different action.

Variable Cost

Costs that directly correspond with the degree of production or output levels.