You Are Watching a Cumulative Recorder That Is Connected to a Small

question 131

Multiple Choice

You are watching a cumulative recorder that is connected to a small disk in a chamber. The pigeon has been trained to peck the disk when a red light is turned on, and not to peck the disk when a green light is turned on. Based on this information, you should observe that when the green light is turned on,

• A) the slope of the line on the cumulative recorder will be steeper than when the red light is turned on.
• B) the pen on the cumulative recorder will start to move downward.
• C) the slope of the line on the cumulative recorder will be shallower than when the red light is turned on.
• D) the roll of paper in the cumulative recorder will stop moving.

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Definitions:

Tripeptide

A molecule composed of three amino acids linked together by peptide bonds.

YAP

A protein involved in the Hippo signaling pathway, playing a crucial role in controlling organ size and tumor suppression.

C-terminus

The end of a protein or peptide chain that terminates with a free carboxylic acid group (-COOH).

Isoelectric Point

The pH at which a molecule carries no net electrical charge, crucial for predicting molecule behavior in different environments.