Unit 4 Topics 1-4 (AP)

Plants communicate via direct contact using what?

• Plasmodesmata

• Gap Junctions

• Active sites

• Kinases

Animal cells communicate via direct contact using what?

• Plasmodesmata

• Gap Junctions

• Active sites

• Kinases

Insulin was an example of

• Direct communication

• Local signaling

• Long distance signaling

• Transduction signaling

What type of ligand will bind to a plasma membrane receptor

• Polar

• Non polar

• Small

• Large

What type of ligand will easily pass through the plasma membrane and bind to an intracellular receptor?

• Polar

• Non polar

• Small

• Large

During transduction, how is the signal amplified

• Protein kinases

• Protein phosphatases

• Hormones

• Secondary messanger

During transduction, how is the signal stopped

• Protein kinases

• Protein phosphatases

• Hormones

• Secondary messanger

What type of signaling is shown

• Long distance (synaptic)

• Local signaling (paracrine)

• Long distance (Insulin)

• Local signaling (Synaptic)

How is the ligand being released from the cell

• Exocytosis

• Endocytosis

• Phagocytosis

• Pinocytosis

The ligand in the example is...

• Non polar

• Polar

• Hydrophobic

• small