APBio Rev: Cell Communcation

What is the name of the signaling molecule in cell communication?

• ligand

• receptor

• operon

• inhibitor

Choose the correct order of communication.

• reception, response, transduction

• transduction, reception, response

• response, transduction, reception

• reception, transduction, response

All signals and receptors are the same in all cells.

• True

• False

All cells have the same response to the same signal.

• True

• False

Identify the type of receiver seen here.

• G-protein coupled receptor

• gated ion channel

• RTKs

• cAMP

Adrenaline is released from your adrenal glands to affect various systems in the body. This is an example of ____ signaling.

• synaptic

• endocrine

• paracrine

• autocrine

Which are two widely used second messengers?

• cAMP

• RTK's

• Ca²⁺

• sodium

Which kind of receptors are seen here?

• G-coupled protein receptor

• RTK's

• Gated ion channels

Phosphorylation cascades are often used for

• reception

• responses

• amplification

• termination

Programmed cell death is known as

• mutation

• termination

• cytokinesis

• apoptosis