Which of the Following Is the Best Explanation for Why

question 36

Multiple Choice

Which of the following is the best explanation for why cholesterol decreases the permeability of biological membranes?

• A) Because cholesterol is amphipathic, it forms tiny vesicles that trap solutes.
• B) Because cholesterol is amphipathic, it fits in between the phospholipids and blocks diffusion through the membrane.
• C) Cholesterol binds to the outside surface of a membrane, thus blocking the movement of solutes.
• D) Cholesterol has four rings in its structure that can sequester trap) solutes.

Recognize the importance of the ozone layer in protecting life on Earth from UV radiation.

Understand the terminology related to environmental pollution and protection efforts.

Identify the global organizations involved in environmental conservation and understand their priorities.

Understand the role and importance of the ozone layer in protecting living organisms.

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Definitions:

High Standards

Expectations or requirements that are significantly above average, often challenging to meet or maintain.

Sympathetic

Part of the autonomic nervous system that prepares the body for physical activity and is often referred to as the "fight or flight" response.

Well-Behaved

Describes an individual (often a child) who acts in a manner that is socially acceptable and follows established rules.

Terror Management Theory

A psychological perspective suggesting that fear of death drives individuals to adopt cultural beliefs and behaviors to alleviate existential anxiety.