Final answer:
When two glucose molecules combine, they form maltose, which is a disaccharide. The addition of a third glucose could lead to larger carbohydrates like starch or other complex biochemical products, depending on the context.
Step-by-step explanation:
The question refers to the combination of glucose molecules. When three glucose molecules come together in a chemical reaction, the specific product depends on the type of bond formed between them. In biology, for instance, glucose molecules can be joined to form larger carbohydrates like starch, which is a polymer made of long chains of glucose units. However, considering basic sugar formation, when two glucose molecules combine, they form maltose (malt sugar), as well as a water molecule due to condensation.
It is essential to note that the reaction producing maltose involves only two glucose units. Consequently, the addition of a third glucose molecule could either result in further polymerization, leading to a short chain of glucose that's part of a starch, or potentially branch into more complex biochemical pathways, depending on the context provided. The given information doesn't specify a particular reaction for three glucose molecules.