Glucose Is a Six- Carbon Sugar That Diffuses Slowly Through

question 49

Multiple Choice

Glucose is a six- carbon sugar that diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose- rich food into their glucose- poor cytoplasm. Given this information, which transport mechanism is most probably functioning in the intestinal cells?

• A) Simple diffusion
• B) Osmosis
• C) Exocytosis
• D) Aquaporin transport
• E) Facilitated diffusion

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Definitions:

Generalization Gradient

A graph that shows the strength of responding in the presence of stimuli that vary in similarity to the conditioned stimulus; typically, responses diminish as stimuli become less similar.

Hull-Spence Model

A theory of learning that integrates drive reduction and incentive motivation, proposing that a combination of stimuli and past reinforcements can predict behavior.

Generalization Gradients

In learning theory, the range and degree to which a learned response is produced to stimuli that vary from the original conditioned stimulus.

Discrimination Training

The process in behavioral psychology of training an organism to respond differently to distinct stimuli, enhancing its ability to distinguish between them.