An old dna strand is used as a for the assembly of a new dna strand.

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Diagram of the evolution of land plants?