The answer to this question is C
Answer:
Nucleus.
Explanation:
All DNA is stored in the nucleus of the cell (eukaryotes), unless it is a prokaryotic cell.
If it is a prokaryotic cell, the DNA/RNA floats in the cytoplasm.
They need it to grow healthy
Photsynthesis to make food
Answer:
any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures
