Ascientist investigates two types of cells located in different parts in the human body. cell a contains many more mitochondria than cell b. what is the best conclusion to make from this observation? a. cell a has a stronger cell wall than cell b. cell a is located in a bone, and cell b is located in the heart. c. cell a produces less energy than cell b. d. cell a is part of an organ that does more work than cell b.