{"id": 1, "assessment_program": "mcas", "assessment_stage": "standalone", "subject": "biology", "domain": "Evolution and Biodiversity", "context": "The amino acid sequence of a certain protein in a horse was compared to the amino acid sequence of the same protein in four other animals. The results of those comparisons are shown in the table.\n\nDifferences in Amino Acids\n\n
| Animals Compared | Number of Amino Acids That Differ |
|---|---|
| horse and donkey | 1 |
| horse and penguin | 13 |
| horse and snake | 21 |
| horse and whale | 5 |