TLS Online TPP Program

#Question id: 134


Ultraviolet (UV) light can be used to estimate protein solution concentrations because

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. phenylalanine absorbs at 260 nm.

  2. all the amino acids absorb UV light.

  3. aromatic amino acids absorb at 280 nm.

  4. tryptophan and tyrosine absorb at 280 nm.