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Why do myelinated axons propagate action potentials faster than unmyelinated axons?

Unlike unmyelinated axons, myelinated axons are surrounded by an insulatory myelin sheath produced by Schwann cells. Because of this insulatory sheath, action potentials cannot occur along the entire length ...
TD
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'What is the difference between ethical naturalism and non-naturalism's account of moral language?'

The difference between ethical naturalism and non-naturalism is a difference between the definiton of a moral fact. Ethical naturalism purports to explain ethical langague in terms of fact-stating semantics ...
CM
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Describe the hormone changes which lead to ovulation.

Follicle stimulating hormone (FSH) secreted from the pituitary gland stimulates egg maturation and oestrogen secretion from the ovaries. Oestrogen in turn inhibits FSH release and stimulates luteinising horm...
TD
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How does vaccination lead to immunity?

Vaccination involves administering a dead or inactive form of a pathogen to a subject, which stimulates white blood cells into producing antibodies specific for that pathogen. If the subject encounters the s...
TD
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Describe how you can distinguish between a bacterium and a virus.

Viruses are generally smaller than bacteria and are not living, whereas bacteria are considered as living species as a prokaryote. Viruses have no cytoplasm, cell membranes or cell wall and instead have a pr...
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Answered by Keshana K. • Biology tutor
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