What Are the Hydrocolloids That Are Secreted at a Site

question 84

Multiple Choice

What are the hydrocolloids that are secreted at a site of injury on a plant or surround the endosperm of some seeds and that are used as thickening agents?

• A)lignin
• B)cellulose
• C)pectins
• D)gums

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Definitions:

Shaping

A method used in behavior therapy and training that involves reinforcing successive approximations of a target behavior until the desired behavior is achieved.

Spontaneous Recovery

A phenomenon in psychology where a previously extinguished response re-emerges after a period of no exposure to the conditioned stimulus.

Positive Reinforcer

An event or item that, when presented after a behavior, increases the likelihood of that behavior occurring again.

Negative Reinforcer

A stimulus whose removal after a particular behavior increases the likelihood of that behavior occurring again in the future.