The Size of the Gap Between the Presynaptic Membrane and the Postsynaptic

question 52

Multiple Choice

The size of the gap between the presynaptic membrane and the postsynaptic membrane in a chemical synapse is

• A) 100 mm.
• B) 100 nm.
• C) 20‒40 nm.
• D) 2‒4 nm.

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Definitions:

Integumentary

Pertains to the integument or skin, which is the body's largest organ, covering and protecting it.

Malignant Melanoma

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Melanocytes

Cells that produce the pigment of the skin, melanin.

Pediculosis Capitis

Pediculosis Capitis is a common parasitic infestation of the scalp caused by head lice.