Tranexamic acid is a synthetic analog of which amino acid?

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Multiple Choice

Tranexamic acid is a synthetic analog of which amino acid?

Explanation:
Tranexamic acid works by blocking fibrinolysis through mimicking the amino acid lysine. Its structure resembles lysine enough to compete for the lysine-binding sites on plasminogen/plasmin, which prevents plasmin from binding to fibrin and dissolving clots. That competitive binding stabilizes clots and reduces bleeding. Other amino acids don’t have the same lysine-like side chain, so they don’t effectively block the lysine-binding sites or inhibit plasmin-mediated fibrinolysis.

Tranexamic acid works by blocking fibrinolysis through mimicking the amino acid lysine. Its structure resembles lysine enough to compete for the lysine-binding sites on plasminogen/plasmin, which prevents plasmin from binding to fibrin and dissolving clots. That competitive binding stabilizes clots and reduces bleeding. Other amino acids don’t have the same lysine-like side chain, so they don’t effectively block the lysine-binding sites or inhibit plasmin-mediated fibrinolysis.

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