Answer:
The correct answer is -
Watson, Crick, and Franklin
Mulder
Levene
Explanation:
James D. Watson and Francis H. C. Crick presented the 3-D structure of DNA in 1953 for the first time, according to their model DNA form a double helix with 2 helical strands that are twisted around the same axis.
The double-helix structure of DNA: Watson, Crick, and Franklin
Mulder said that animals get their proteins from plants (most of them) and that all proteins made up of one basic or primary substance. He also searched for components of proteins, basic components, and molecules.
The chemical composition of proteins: Mulder
A Russian biochemist Phoebus Levene, was the first to find the monomer of nucleic acid or nucleotide and the first to correctly identify the way nucleic acid molecules arranged in a DNA.
The monomer of nucleic acids: Phoebus Levene
