5 Questions
Which group of amino acids contains a highly reactive thiol group?
Cysteine
Which molecule is formed when two molecules of cysteine undergo oxidation?
Cystine
What is the term used to describe the formation of a disulfide bond between two cysteine residues in a protein?
Disulfide bridge
Where in eukaryotic organisms does the formation of disulfide bridges occur?
Endoplasmic reticulum
What happens to the sulfhydryl groups of cysteine in extracellular fluids like blood?
They are oxidized
Test your knowledge on the reactivity of cysteine's thiol group and the formation of disulfide bonds in proteins with this quiz. Learn about the reversible oxidation of cysteine, the formation of cystine, and the importance of disulfide bridges in protein structure.
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