Question: why we use bsa as standard for protein estimation
[{'answer': 'low cost', 'provenance': [{'wikipedia_id': '3787064', 'title': 'Bovine serum albumin', 'start_paragraph_id': 26, 'start_character': 1470, 'end_paragraph_id': 26, 'end_character': 1478, 'bleu_score': 1.0, 'section': 'Section::::Applications.\n'}]}, {'answer': 'lack of effect in many biochemical reactions'}, {'answer': 'ability to increase signal in assays'}, {'provenance': [{'wikipedia_id': '3787064', 'title': 'Bovine serum albumin', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 1586, 'bleu_score': 0.9614561724517161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17627165661540689712}, 'section': 'Section::::Applications.\n'}]}]