Question:
What is the bond that can form between two cysteines in a protein?
What is the bond that can form between two cysteines in a protein?
Show Hint
Cysteine is the only amino acid that forms "Disulfide" (Sulfur-Sulfur) bridges.
Updated On: May 14, 2026
- Ionic bond
- Hydrogen bond
- Disulfide bond
- Amide bond
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Concept
Tertiary and quaternary protein structures are stabilized by various side-chain interactions.
Step 2: Meaning
Cysteine is a sulfur-containing amino acid with a thiol (-SH) group.
Step 3: Analysis
When two cysteine residues are brought close together, their thiol groups can undergo oxidation to form a covalent S-S bond.
Step 4: Conclusion
This covalent cross-link is known as a disulfide bond or disulfide bridge. Final Answer: (C)
Was this answer helpful?
0
0
Top GAT B Biochemistry Questions
- Which one of the following modifications is NOT a natural N-terminal modification of proteins?
- What is the likely number of amino acids in a 11 KDa protein?
- The helical content of a protein can be directly determined using
Match the items in List I with items in List II.
- Among Wheat, Moong Dal, Rice, and Bajra, the one with the highest protein content is:
View More Questions
Top GAT B Proteins Questions
- Which one of the following modifications is NOT a natural N-terminal modification of proteins?
- What is the likely number of amino acids in a 11 KDa protein?
- The helical content of a protein can be directly determined using
Match the items in List I with items in List II.
- Among Wheat, Moong Dal, Rice, and Bajra, the one with the highest protein content is:
View More Questions
Top GAT B Questions
- Which one of the following modifications is NOT a natural N-terminal modification of proteins?
- Bacillus thuringiensis CryA controls certain caterpillar pests by
- Respiratory pathway is considered as a ________ pathway
- Many enzymes catalyze both forward and reverse reactions. Which one of the following statement is NOT correct?
- Which law of thermodynamics states that "energy of an isolated system is constant"?
View More Questions