Answer: A. The onion cells have lysosomes, and the cheek cells do not.
Explanation:
Answer: Mitochondria
Explanation: The mitochondria make energy within the cell
Explanation: because carry out all the functions in the human body necessary for living. Proteins make up hormones that are required for living. Insulin - responsible for stabilising blood sugar. Haemoglobin - responsible for carrying oxygen around the body. Melatonin - responsible for helping us get to sleep. Adrenalin - responsible for the flight-fight-freeze response. There are many more but here are just a few.
I'm not sure what you mean by this but here is a diagram of a nephron!! Hope this helps?
