Answer: A. The onion cells have lysosomes, and the cheek cells do not.
Explanation:
White matter is the slightly more pale tissue in the areas of the brain and spinal cord. It consists of nerve fibers with their myelin sheaths (the fatty substance that surrounds and "protects" the axon.
Answer:
carbon, hydrogen, nitrogen and oxygen
Explanation:
mostly, combination of carboxylic and amine groups
Answer: sexual and asexual.
Explanation:
Answer:
People drink water that has been contaminated by animal feces
Explanation: