Answer:
C. Metalloid
Explanation:
<h3>I believe that's the answer, correct me if I'm wrong. </h3>
<h3><u>Answer and Explanation</u>;</h3>
- Purines: Heterocyclic rings are synthesized one atom at a time, first atom attached to ribose phosphate (source is PRPP) and then all the other atoms are added .
- Pyrimidines: Common intermediate, orotate, synthesized first, then orotate is attached to ribose phosphate (source is PRPP or 5-Phosphoribosyl-1-pyrophosphate).
Noseee jkjknmnmnmnnn jmnmnmb