The following cellular materials are needed to build a protein molecule:
1. DNA (gene)
2. mRNA
3. tRNA
4. rRNA
5.Ribosomes
6. Mg++ or Mn++
7. Amino acids
8. RNA polymerase
9. Aminoacyl synthetase
10. Methionyl transferase
11. Translocase
12. Amino peptides
13. Protein factors
14. ATP GTP, UTP. CTP
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