Which One of the Following Is TRUE Regarding Active Transport

question 36

Multiple Choice

Which one of the following is TRUE regarding active transport?

• A) Active transport requires the input of energy.
• B) Molecules are moved across a plasma membrane from an area of higher concentration to an area of lower concentration.
• C) Active transport relies on the process of diffusion.
• D) Molecules to be transported attach to phospholipids in the plasma membrane; as the phospholipids change shape, the molecules are moved across the membrane.
• E) This mechanism allows a cell to equalize the concentration of molecules on either side of the plasma membrane.

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Definitions:

Angi

Prefix used in medical terminology to denote relation to blood vessels, such as in "angiography," an imaging technique to view blood vessels.

Sebaceous Glands

Glands in the skin that secrete an oily or waxy substance called sebum, which lubricates and waterproofs the skin and hair.

Gangrene

The death of body tissue due to either a lack of blood flow or a serious bacterial infection.

Scabies

A contagious skin infestation caused by the mite Sarcoptes scabiei, characterized by intense itching and small raised red spots.