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

question 136

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

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Definitions:

Operant Conditioning

Skinner’s term for the process of learning in which an organism’s behavior is shaped by the effect of the behavior on the environment.

Respondent Conditioning

Skinner’s term for classical conditioning.

Habituation

The process of becoming accustomed to a stimulus or environment, resulting in a decreased response over time.

Learning Mechanism

Processes through which individuals acquire new knowledge, skills, behaviors, or values, often through observation, experience, or instruction.