Acetylcholinesterase is the enzyme that degrades acetylcholine. What effect on nerve transmission would occur following the administration of a chemical that inhibited acetylcholinesterase?
A) Continuous excitatory postsynaptic potentials would occur in the postsynaptic neuron.
B) The presynaptic neuron would be inactivated.
C) It would be identical to giving an anesthetic, but it would last permanently.
D) Synaptic transmission would be prevented; muscle paralysis would occur.
E) There would be no effect.
Answer: A) Continuous excitatory postsynaptic potentials would occur in the postsynaptic neuron.
You might also like to view...
Which biome has a closed canopy?
a. tundra b. taiga c. tropical rain forest d. desert e. grassland
Fatty acids tales make up the _________ portion of the plasma membrane and are located on the _____________ of the membrane
a. hydrophilic; inside b. hydrophilic; outside c. hydrophobic; inside d. hydrophobic; outside
Ponds have pondweeds attached to the bottom, insect larvae that feed on the pondweeds, fish that eat the insects, and birds like great blue herons that eat the fish. In this ecosystem which of the following would have the largest total biomass (all individuals of the category)?
A. large fish B. small fish C. insects D. great blue herons
Imagine that a newly discovered species of fish normally has three eyes (E), but the rare mutation (e) causes "diopthalmic" fish with two eyes to be born
In addition, eye color in these fish is inherited similarly to humans, with black eyes (B) being dominant to blue (b). Assuming these two genes are carried on separate chromosomes, what must the genotypes of two black-eyed, three-eyed parents be if they have a blue-eyed, diopthalmic son? A) EEBB and eebb B) eeBB and EEbb C) Both EeBb D) Both eebb