When Substances Move Through a Plasma Membrane and Down Gradients

question 26

Multiple Choice

When substances move through a plasma membrane and down gradients of concentration, this is called:

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

---

Definitions:

Positive Emotions

Emotions that are experienced as pleasant and desirable, such as joy, gratitude, serenity, and love, contributing to overall well-being.

Early Hours

Refers to the first part of the day, usually the period shortly after midnight or dawn when it is still early morning.

Middle Hours

The time period roughly at the midpoint of a given time frame, such as the middle hours of a day or event.

Late Hours

Periods of the day or night associated with the latter part of the day, often used in the context of staying up late.