Nothing. Mitochondria are the cell's power producers. They convert energy into forms that are usable by the cell.
the red thing in a cell
No. Simple as that.
Ribosomes are the organelles responsible for protein synthesis in the cell. They can be found either freely floating in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes read the messenger RNA (mRNA) and assemble amino acids into proteins according to the genetic code.
For example acids, bases, salts.