Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour
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Answer:
A parasitic relationship is one in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death. The parasite lives on or in the body of the host. A few examples of parasites are tapeworms, fleas, and barnacles. The fleas, in turn, get food and a warm home.
The answer to the question above is a cell.
