The Transport of Substances Across a Cell Membrane with the Aid

question 10

Multiple Choice

The transport of substances across a cell membrane with the aid of a carrier molecule and the expenditure of energy is

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

---

Definitions:

Empirical

Connects to, is concerned with, or is verifiable by firsthand observation or involvement in experiences over abstract theory or logical premises.

Multifactorial

Having many factors that contribute to it, often used in the context of genetics, behavior, and disease causation.

Empirical

Is about, focuses on, or is validated by seeing or living through something firsthand rather than by theory or abstract thought.

Direct Observation

A research method where behaviors or phenomena are watched and recorded as they naturally occur, without interference or manipulation by the observer.