Which of the Following Statements Is True Among All Types

question 29

Multiple Choice

Which of the following statements is true among all types of passive transport?

• A)Only small polar molecules are able to cross the plasma membrane.
• B)Ions never cross the plasma membrane by passive transport.
• C)The concentration gradient is the driving force.
• D)Proteins are needed to transport molecules across the membrane.

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Definitions:

Collagen

A major structural protein found in skin, bone, tendons, and other connective tissues, providing strength and elasticity.

Capillaries

The smallest blood vessels in the body, where the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste substances occurs between blood and surrounding tissues.

Simple Squamous Epithelium

A type of epithelial tissue consisting of a single layer of flat cells that facilitates diffusion and filtration in sites such as the alveoli of the lungs and the glomeruli of the kidneys.

Mucous Glands

Exocrine glands found in various locations of the body that secrete mucus, aiding in lubrication and protection of tissues.