Th picture shows a model of cell.
What is the main function of the part labeled z in the model?
A. To hold and protect the cell's DNA
B. To store food and other materials inside the cell
C. To use energy from sunlight to make sugars
D. To provide the cell with energy for its activities

Th picture shows a model of cell What is the main function of the part labeled z in the model A To hold and protect the cells DNA B To store food and other mate class=