Purified Subcellular Organelles Are Most Often Isolated by

question 4

Multiple Choice

Purified subcellular organelles are most often isolated by

• A) Electron microscopy
• B) Differential centrifugation
• C) Free zone electrophoresis
• D) Light microscopy
• E) Bouyant density centrifugation

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Definitions:

Extinction Procedure

A behavioral technique in which reinforcement of a previously reinforced behavior is discontinued, leading to a decrease in the frequency of the behavior.

Operant Conditioning

A process of acquiring knowledge in which the force of an activity is changed by either positive reinforcement or penalties.

Token Economy

A behavioral therapy method that involves rewarding desired behaviors with tokens that can be exchanged for various privileges or treats.

Operant-conditioning

A learning process through which the strength of a behavior is modified by reward or punishment.