Group 18 non reactive and non metallic
Answer:hello!
Explanation:
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<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).
1) Chloroplast
-converts solar energy into food for the plant.
2) Cell Wall
-provides protection and structure.
