A student carried out four tests on a sample of biological molecules.
Which conclusions made by the student are correct?
1) Fat was present.
2) Glucose was present.
3) Protein was present.
4) Starch was not present.
1 )
1, 2, 3 and 4
2 )
1, 2 and 4 only
1, 3 and 4 only
4 )
2 and 3 only
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