Which Process Involves the Movement of Molecules or Atoms Down

question 11

Multiple Choice

Which process involves the movement of molecules or atoms down a concentration gradient across plasma membranes?

• A) active transport
• B) passive transport
• C) exocytosis
• D) endocytosis

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Definitions:

Cost-Benefit Analyses

The process of comparing the costs and benefits of a decision or project to determine its feasibility or worth.

Net Useful Energy

The amount of energy available for use after subtracting energy losses in conversion, transmission, and distribution.

Natural Gas

A fossil fuel consisting mainly of methane, used as an energy source for heating, cooking, and electricity generation, and as a fuel for vehicles.