AP Bio - Unit 4 Quiz 1 Cell Communication

Choose the correct order of communication.

• reception, response, transduction

• transduction, reception, response

• response, transduction, reception

• reception, transduction, response

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

• ligand

• receptor

• operon

• inhibitor

All signals and receptors are the same in all cells.

• True

• False

Long distance signals involving hormones are ________ signals.

• paracrine

• synaptic

• endocrine

Which kind of receptors are seen here?

• G-coupled protein receptor

• cAMP

• Ligand gated ion channels

What type of signaling is shown here?

• autocrine

• synaptic

• endocrine

• paracrine

What determines whether a signal molecule binds on the surface or enters the cell?

• size

• polarity

• ability to cross the membrane

• all of these

Which of the following is an enzyme that shuts down signal transduction pathways?

• cAMP

• G-protein

• protein kinases

• protein phosphatases

Direct communication between neighboring/touching cells is common in plants.

• True

• False

Direct contact is completed in animal cells and plant cells through:

• Animal = gap junctions

  Plant = plasmodesmata

• Animal = plasmodesmata

  Plant = gap junctions

• Animal = synapses

  Plant = gap junctions

• Animal = synapses

  Plant = plasmodesmata