Variolation Is a Procedure Once Used to Protect Against

question 21

Multiple Choice

Variolation is a procedure once used to protect against

• A)measles.
• B)bubonic plague.
• C)rabies.
• D)smallpox.

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Definitions:

Histidine

An essential amino acid important in many proteins, playing a key role in enzymes and the buffering of pH in blood.

Phenylalanine

An essential amino acid that is a precursor to neurotransmitters and must be obtained through diet.

Tyrosine

An amino acid that is a building block of protein, essential for protein synthesis in humans.

Cyclic Side Chain

A side chain forming a ring structure within a larger molecule, contributing to the molecular functionality and properties.