Which Is the Best Definition of the Term Ligand

question 55

Multiple Choice

Which is the best definition of the term ligand?

• A)A receptor composed of protein
• B)A molecule or ion that binds to a protein
• C)Any molecule found in the intracellular fluid
• D)Any molecule found in the extracellular fluid
• E)A carbohydrate molecule that binds weakly to membrane phospholipids

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Definitions:

Starter Control Circuit

An electrical circuit that controls the operation of the vehicle's starter motor.

Ignition Switch

A device in a vehicle that initiates the engine's operation by connecting the electrical circuit to start the engine.

Ballast Resistor

A passive electronic component used to limit the amount of current in an electrical circuit.

DC Motor

An electric motor that runs on direct current (DC) electricity, used in many applications for its simplicity and controllability.