« previous next »

Author Question: Following release from the presynaptic cell, neuropeptides a. cannot be deactivated by enzymes, ... (Read 48 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
on: Jun 21, 2018
Following release from the presynaptic cell, neuropeptides
 
  a. cannot be deactivated by enzymes, whereas small-molecule transmitters diffuse away or are deactivated by reuptake.
  b. are deactivated by reuptake, whereas small-molecule transmitters diffuse away or are deactivated by enzymes.
  c. can diffuse away from synapses, whereas small-molecule transmitters are deactivated by reuptake.
 d. and small-molecule transmitters can be deactivated by diffusion, enzymes, or reuptake.

Question 2

The release of vesicles containing neuropeptides requires
 
  a. higher levels of calcium than the release of small-molecule neurotransmitters.
 b. lower levels of calcium than the release of small-molecule neurotransmitters.
 c. approximately equal levels of calcium as the release of small-molecule neurotransmitters.
  d. no calcium at all.


leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Reply #1 on: Jun 21, 2018
Answer to Question 1

c

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Giant cell tumor of tendon sheath. Giant cell tumor of tendon sheath.
Release of preformed and newly synthesized (de novo) mediators from mast cells. Release of preformed and newly synthesized (de novo) mediators from mast cells.
Knead the upper trapezius with one or two hands. Lift, squeeze, and release the soft tissues in a ... Knead the upper trapezius with one or two hands. Lift, squeeze, and release the soft tissues in a ...
Gastric Glands and Cell Types in the Stomach Gastric Glands and Cell Types in the Stomach
Drawings depicting mitosis in an animal cell with a diploid number of 4 Drawings depicting mitosis in an animal cell with a diploid number of 4
cell cycle cell cycle
Video: Proteins

For a complete list of videos, visit our video library