Signal Transduction & Cell Communication

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

• autocrine

Cyclic AMP activates what type of molecules?

• G-proteins

• kinases

• calcium

• sodium

Which kind of receptors are seen here?

• G-coupled protein receptor

• Enzyme linked

• Gated ion channels

• aquaporins

Order the steps of signal transduction

• Kinases activated

• Cell response

• Ligand binds to receptor

• G-Protein activation

• ATP converted to cAMP

Programmed cell death is known as

• mutation

• termination

• cytokinesis

• apoptosis

What do second messengers do?

• transport a signal through the lipid bilayer

• relay a signal from the outside to the inside of the cell

• relay message from the inside of the mebrane throughout the cytoplasm

• dampen the message

This is an example of

• paracrine signaling
• synaptic signaling
• long-distance signaling
• all of the above

A nerve cell releases acetylcholine to trigger a neighboring muscle cell to contract. What type of signal is this?

• autocrine

• paracrine

• endocrine

• feedback

Which letter represents the cell surface receptor protein?

• A

• B

• C

• D

• E