Biology Essentials Quiz: Signal Transduction Pathways

What is the analogy used to explain signal transduction pathways?

• Piano playing

• Drum beating

• Guitar playing

• Flute playing

What is the function of the electric pick up in the guitar?

• Transduce the message into an electrical signal

• Change the shape of the guitar

• Amplify the sound

• Vibrate the strings

What is the primary form of the message in signal transduction pathways?

• Electrical message

• Chemical message

• Sound message

• Light message

What is the role of protein kinases in signal transduction pathways?

• Modify the shape of the receptor

• Convert ATP to cAMP

• Amplify the message

• Activate enzymes within the cell

What is the name of the secondary messenger commonly used in cells?

• cAMP

• cGMP

• cTMP

• cDMP

What is the target of the signal transduction pathway in the liver cells?

• Convert glucose to glycogen

• Produce ATP from glucose

• Release glucose from glycogen

• Break down glycogen into glucose

What is the ligand that docks with the G-protein receptor in the liver cell?

• Epinephrine

• Insulin

• Cortisol

• Glucagon

What is the name of the protein embedded within the cell membrane that interacts with the alpha subunit?

• Phosphorylase

• G-protein receptor

• Protein kinase

• Adenylyl cyclase

What is the enzyme that converts ATP to cAMP in the signal transduction pathway?

• Protein kinase

• Phosphorylase

• Adenylate cyclase

• Glycogen synthase

What happens to the catalytic portions of protein kinase when cAMP binds to the regulatory portions?

• They convert ATP to cAMP

• They release glucose from glycogen

• They become phosphorylated

• They become inactivated