I think the correct answer is D. contraction, by preventing an action potential from traveling across the sarcolemma. Acetycholine lreceptors are found on the surface of muscle cells, concentrated in the synapse between nerve cells and muscle cells. When the nerve impulses reaches the axon terminals, a chemical called the neurotransmitter is released, in this case the acetylcholine that stimulates skeletal muscle cell. Therefore a disease that inactivates the acetylcholine will prevent the activation of the muscle.
A. divided by the number of days in the billing cycle.
Blood? I think cause it flows through everything in the body
Answer:
In a strict evolutionary sense, all tetrapods are essentially “limbed fish,” because their ultimate vertebrate ancestor is a fish. All tetrapods share a variety of morphological features.
Answer:No light get's absorbed by chlorophyll
Explanation: Chlorophyll absorbs red light, but no light gets absorbed by chlorophyll during photosynthesis. This is because trees and plants are green, they have green pigment because of the chlorophyll.
