Answer:

d.Protein RNA

Explanation:

Ribonucleic acid (RNA) is an important biological macromolecule that is present in all biological cells. It is principally involved in the synthesis of proteins, carrying the messenger instructions from DNA, which itself contains the genetic instructions required for the development and maintenance of life

so kita mo naman hindi gaan ↑ kasama si protein rna,so i think protein rna po.