Answer:
b. 3,2,4,5,1
Explanation:
3. The action potential induces an electrochemical process that causes release of the acetylcholine.
2. Release of acetycholine into synaptic cleft is down an electrochemical gradient, i.e through diffusion and not requiring energy input.
4. Acetylcholine then binds and activates ligand-gated ion channels of the muscle fiber to open up.
5. Sodium ions will flow into the muscle generation an action potential that will culminate into contractions.
1. The enzyme acetylcholinesterase will breakdown any acetycholine not needed in the synaptic cleft.
The link between<span> oxygen and cancer</span> is clear. In fact, an underlying cause of cancer is usually low cellular oxygenation levels.
In newly formed cells, low levels of oxygen damage respiration enzymes so that the cells cannot produce energy using oxygen. These cells can then turn cancerous because they don't make enough energy to function normally in the body.
by protecting surviving rainforests means more oxygen available
by using a key sampling or a quadrat where it is placed randomly on each one
Answer:
the medulla oblongata is located in region c
Explanation:
i took the test
