Answer: The myelinated nerve fibres are enveloped with Schwann cells, it form a myelin sheath around the axon.
Unmyelinated nerve fibres is enveloped by a Schwann cell that doesn't form a myelin sheath around the axon, and found in autonomous and the somatic neural systems. Sympathetic Nervous system is part of Autonomous Nervous system.
Explanation:
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Soil and air because it is needed for the development of living beings
During exercise, a number of changes occur to maximise the body's oxygen intake. Firstly our heart rate/ pulse increases. This is due to the heart beating much faster and more forcefully to pump blood faster around the body.
Our breathing rate increases to intake more oxygen and exhale more CO2.
The smooth muscle in our trachea and bronchi relaxes to increase the lumen size thus making breathing easier. Adrenaline may also be released leading further amplifying these changes as well as reducing blood flow to the gut and thus peristalsis occurs at a much slower rate.
Also when we exercise we respire more, producing heat, which must be expelled. This may be done through sweating. Another physiological change that occurs is vasodilation of arterioles closer to the skin to allow more blood to flow closer to the skin, allowing more heat to radiate out.
A typical restriction digestion reaction includes the DNA template, the desired restriction enzyme, a buffer, and occasionally BSA protein.
<h3>How come a restriction enzyme wouldn't function?</h3>
You should always check the expiration date, confirm that the enzyme has been stored at -20°C, and check the temperature of your freezer (do not allow temperatures to surpass -20°C, since many freeze-thaw cycles may cause an enzyme to lose action).
<h3>How does a restriction digest work?</h3>
With the aid of specialized enzymes known as restriction endonucleases (often referred to as restriction enzymes or REs), restriction digestion is the process of breaking down DNA molecules into smaller fragments.
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