Answer:
Iodine and Sulfuric Acid.
Explanation:
During Molisch's test, Sulfuric Acid is used to judge whether or not a carbohydrate is present, and, if so, a purple ring will appear. In the iodine test, iodine is used to confirm starch is in the carbohydrate, and will alert you with a blue ring appearing.
The nucleus of the cell divides
By looking at picture given, the structure that the placenta will normally develop in is the area D. The picture is of the female reproductive system. The structure where the placenta develops is called the uterus.