In the Digestive Tract, Absorption Is Controlled by Mechanisms on the Cell's

question 129

Multiple Choice

In the digestive tract, absorption is controlled by mechanisms on the cell's apical membrane surface. What type of physical barriers would be in place to keep these mechanisms from being circumnavigated?

• A)microvilli
• B)desmosomes
• C)tight junctions
• D)gap junctions
• E)carrier proteins

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Definitions:

Hair Follicle

A tiny, tubular cavity in the skin containing the root of a hair from which hair growth occurs.

Dermis

The layer of skin beneath the epidermis that contains sweat glands, hair follicles, and connective tissue.

Nerve Root

The initial segment of a nerve leaving the central nervous system, which can be involved in transmitting sensory information and motor control signals to the body.

Blistering Rash

A skin condition characterized by the formation of small, fluid-filled blisters, which can result from various causes like infections, allergies, or heat.