Cells throughout the body share similar structures, such as the Na+/K+ pump, and the same genetic code. But, a nerve cell is very different from a muscle cell in function and appearance. Why is it important for humans to have a wide variety of specialized cells?

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !

b. the carbon cycle ensures living things have a source of hydrogen

the correct answer is c   with the systems