A student performed four tests on a sample of biological molecules. emulsion test: cloudy Benedict’s test: yellow biuret test: purple iodine test: yellow Which of the following conclusions reached by the student are correct? 1 Fat was present. 2 Glucose was present. 3 Protein was present. 4 Starch was not present.
- A1, 2, 3 and 4
- B1, 2 and 4 only
- C1, 3 and 4 only
- D2 and 3 only