Which of the Following Statements Most Accurately Describes a Selectively

question 9

Multiple Choice

Which of the following statements most accurately describes a selectively permeable membrane?

• A)Solutes are never able to cross the membrane.
• B)Large molecules are always excluded from crossing the membrane.
• C)Substances can only pass through the membrane with the help of either active or passive transport proteins.
• D)Certain solutes move freely across the membrane by simple diffusion while others must be helped across by active or passive transport proteins;some substances are completely excluded from crossing the membrane.

---

Definitions:

Positive Reinforcement

The strategy of encouraging a behavior by rewarding it each time it occurs to increase its frequency.

Resistance

The act of opposing or striving against something, which can manifest in various contexts such as physical forces, social movements, or individual behaviors against change.

Emotional High

A state of intense happiness or euphoria.

Performance

The act of carrying out a task with a specific outcome in mind, often measured against known standards of completeness, accuracy, and speed.