![The characteristic strong absorbance of 280nm of proteins is due to](https://www.gkseries.com/blog/wp-content/uploads/2021/12/Biomolecules-Multiple-Choice-Questions-and-Answers-70.jpg)
Q. The characteristic strong absorbance of 280nm of proteins is due to
- All amino acids can absorb at 280nm
- Only Tryptophan and tyrosine can absorb at 280 nm
- Tryptophan is responsible for the absorbance
- Tryptophan, tyrosine and phenylalanine can absorb at 280 nm
Answer: Tryptophan, tyrosine and phenylalanine can absorb at 280 nm