I need help finding the functions of each organelle and writing instructions on how to make an onion microscope slide

The transport tubes from food came down the plant are called?

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

Witch theory suggests all living things are made up of cell or cells