Question

what scientific knowledge about macromolecules is a direct result of gerardus johannes mulders 1838 discovery?
all proteins contain carbon, hydrogen, oxygen, and nitrogen.
all carbohydrates contain carbon, hydrogen, and oxygen.
nucleic acids are polymers with nucleotide monomers.
the helical structure of dna is essential for protein production.

Explanation:

Gerardus Johannes Mulder discovered in 1838 that all proteins contain carbon, hydrogen, oxygen, and nitrogen.

Answer:

All proteins contain carbon, hydrogen, oxygen, and nitrogen.