Plant cells and life processes

What is a plant cell? What is a cell?

What are the parts of a plant cell?

How do plant cells use water?

How do plants make food?

What do plant cells do with the food they make?

If cells do not grow, how do plants get bigger?

Do plants get sick?

Are there really one-celled plants?

How do plant cells get rid of waste?

How do scientists work with plant cells?