A Process That Requires Cellular Energy to Move a Substance

question 168

Multiple Choice

A process that requires cellular energy to move a substance against its concentration gradient is called

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

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Definitions:

Rh Factor

A protein found on the surface of red blood cells that can cause immune reactions during blood transfusions or pregnancy.

Marker

An identifiable physical or genetic indicator that can be used for tracking or identification purposes.

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A severe substance use disorder characterized by dependency on heroin, a powerful opioid drug, leading to significant health, social, and economic problems.

Methadone

A medication used in the treatment of opioid dependency and as analgesia in chronic pain management.