Action potentials move along axons A) more slowly in axons of large than in smal

Author Question: Action potentials move along axons A) more slowly in axons of large than in smal (Read 550 times)

geoffrey

Hero Member
Posts: 880

on: Oct 12, 2013

Action potentials move along axons
A) more slowly in axons of large than in small diameter.
B) by the direct action of acetylcholine on the axonal membrane.
C) by activating the sodium-potassium "pump" at each point along the axonal membrane.
D) more rapidly in myelinated than in non-myelinated axons.
E) by reversing the concentration gradients for sodium and potassium ions.

j_sun

Sr. Member
Posts: 384

Reply #1 on: Oct 15, 2013

I recall doing this last year, it's D, bye bye!

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

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?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.