Answer:
D. That is a D.N.A Molecule, which stores your gene's/ info
In semiconservative DNA replication, each new double helix that will form will have 1 polynucleotide strand that is from the old DNA molecule and is an Old or Parent strand, and will have a polynucleotide strand from the newly synthesized one, the new DNA strand.
Diamond are created from coal after 1000's of years under pressure.
it cause a change in propertied but not elements