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Which of the following amino acid absorbs the light of 280 nm?(a) tyrosine(b) cysteine(c) leucine(d) valineI have been asked this question in an internship interview.I need to ask this question from Techniques in portion Techniques in Cell Biology of Cell Biology

Answer»

Correct answer is (a) tyrosine

Explanation: Spectrophotometry is a TECHNIQUE used to MEASURE the protein content of a sample. Out of the 20 AMINO acids that make a protein, two amino acids – tyrosine and PHENYLALANINE absorb light of 280 nm.



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