Which of the Following May Occupy More Than 90% of a Mature

question 51

Multiple Choice

Which of the following may occupy more than 90% of a mature plant cell's volume?

• A)chromoplasts
• B)the rough endoplasmic reticulum
• C)the central vacuole
• D)the nucleus

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Definitions:

Primary Reinforcement

A naturally rewarding stimulus, such as food or water, that satisfies a basic biological need and hence reinforces a behavior directly.

Secondary Reinforcement

A process in conditioning where a stimulus reinforces a behavior after it has been associated with a primary reinforcer.

Variable Ratio Schedule

A reinforcement schedule used in conditioning where a response is reinforced after an unpredictable number of responses, leading to high and steady response rates.

Fixed Ratio Schedule

A type of reinforcement schedule in behavioral psychology where a response is reinforced only after a specified number of responses.