Biochemistry Quiz
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CHEMICAL FOUNDATIONS & WATER
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In an enzyme active site, what interaction most strongly attracts Lys-NH3+ to Asp-COO− at close range?
A
van der Waals forces from temporary dipoles in nearby atoms
B
Hydrophobic effect that clusters charged groups away from water
C
Ionic interaction between oppositely charged side chains (salt bridge)
D
Covalent bond formation by sharing electrons between the two residues
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