Which Term Best Describes the Movement of NH₄₊ Ions into a Cell

question 52

Multiple Choice

Which term best describes the movement of NH₄₊ ions into a cell down an electrochemical gradient?

• A) a symport
• B) passive diffusion
• C) facilitated diffusion
• D) active transport

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Definitions:

Sexual-Response Pattern

A model describing the phases individuals typically experience during sexual interaction, including arousal, plateau, orgasm, and resolution.

Fat Cells

Cells that store energy in the form of fat and contribute to the body's energy metabolism; also known as adipocytes.

Obesity

A medical condition characterized by excess body fat, increasing the risk of health problems such as diabetes and heart disease.

Lateral Hypothalamus

A part of the hypothalamus gland in the brain that plays a crucial role in hunger and thirst regulation.