Answer:
The human mitochondrial DNA (mtDNA) is a double-stranded, circular molecule of 16 569 bp and contains 37 genes coding for two rRNAs, 22 tRNAs and 13 polypeptides. The mtDNA-encoded polypeptides are all subunits of enzyme complexes of the oxidative phosphorylation system.
Explanation:
The class of macromolecule a steroid belongs to is a lipid.
Boi we can't see the picture otherwise I would love to help you out dawg.
The answer is protoplasm. it contains all the other answers anyways.
