In Automated Equipment, the Driven Machine Continuously Feeds Back Information

question 10

Multiple Choice

In automated equipment, the driven machine continuously feeds back information to a master control to maintain any reasonable combination of speed and ____ desired.

• A)torque
• B)temperature
• C)vibration
• D)pulses

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Definitions:

Second Messenger

is a molecule inside cells that acts to transmit signals from a receptor to a target within the cell, such as cAMP or calcium ions.

Growth Factor

A naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.

Tyrosine Kinase Receptor

A plasma membrane receptor that phosphorylates the tyrosine part of proteins; when a ligand binds to the receptor, the conformation of the receptor changes and it may phosphorylate itself as well as other molecules; important in immune function and serves as a receptor for insulin.

Ras Proteins

A family of proteins involved in transmitting signals within cells, playing a role in cell growth and development.