The Movement of Substances from Higher to Lower Concentration Across

question 57

Multiple Choice

The movement of substances from higher to lower concentration across a semipermeable membrane via a specific protein carrier but without energy expenditure is called ______.

• A) osmosis
• B) diffusion
• C) facilitated diffusion
• D) endocytosis
• E) active transport

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Definitions:

Key Characteristic

An attribute or feature that is deemed essential or significantly important.

Variables

Elements or quantities that can vary or change in a study or experiment.

Measure

Measure refers to a method or standard for obtaining a quantity represented or an amount of a characteristic, often through the use of instruments or statistical techniques.

Label

A descriptor or name assigned to something for the purpose of identification or to give additional information.