It’s the nucleus. I hope that helped:)
The naturel sources will be your answer
I believe it to be Atp, Adenosine Triphosphate.
Answer:
When Benedict's test is positive, an orange-red precipitate forms when the Benedict's reagent is added to a solution contain reducing sugar. The iodine test is a chemical test for starch. When iodine solution which is red is added to starch it turns blue/black in colour.