Discover answers to your most pressing questions at Westonci.ca, the ultimate Q&A platform that connects you with expert solutions. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

The picture shows a model of a cell.
What is the main function of the parts labeled X'in the model?
A. To use energy from sunlight to make sugars
B. To hold and protect the cell's DNA
C. To store enzymes that break down food
D. To provide cells with energy for their activities