Cell Signals Review

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

Long distance signals involving hormones are ________ signals.

• paracrine

• synaptic

• endocrine

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 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

What type of signaling is shown here?

• autocrine

• synaptic

• endocrine

• paracrine

Which of the following can activate a protein by transferring a phosphate group to it?

• cAMP

• G-protein

• protein kinases

• phosphatases

What is a G protein?

• specific type of membrane-receptor protein
• protein on the cytoplasmic side of a membrane
• membrane-bound enzyme
• relay protein

What is a phosphorylation cascade?

• travelling of hormones through the air
• travelling of hormones through the blood
• the removal of a phosphate
• a series of molecules that get phosphorylated