Select the correct answers 1. Biuret reaction is positive for all amino acids
2. The serine amino acid contains the -SH group
3. Glutathiol contains glutamic acid, glycine, histidine
4. Tripeptides and proteins always give a positive Biuret reaction

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

cells spend most of their time in interphase