What is the role of dithiothreitol (DTT) in SDS-PAGE?
Abinds to protein hydrophobic regions
Bdenatures proteins
Cbreaks disulfide bonds within proteins
Dcauses protein molecules to fold
Correct answer: C. breaks disulfide bonds within proteins
Dithiothreitol (DTT) breaks the disulfide bonds in proteins, which prevents their aggregation and allows for better separation during SDS-PAGE.
Free PDF sample
Get NEET Biology MCQs as a chapter-wise PDF.
Join early access for a free MCQ sample with answers and NCERT-aligned explanations.
More Molecular tools and DNA analysis MCQs