Janelle is making a diagram to show what happens after carbohydrates are eaten. Her model is shown below.

Diagram that shows a carbohydrate molecule called glucose. The molecule is followed by an arrow that points to a question mark. The question mark is followed by an arrow that points to text. The text says

Janelle’s model will be complete when she adds text where the question mark is shown. What should Janelle replace the question mark with?
A.
chemical reactions with carbon dioxide
B.
chemical reactions with proteins
C.
chemical reactions with lipids
D.
chemical reactions with oxygen