If a peptide is 160 amino acids long, How many GTP and ATP molecules does it use for elongation?(a) 318 GTP + 160 ATP(b) 478 GTP + 160 ATP(c) 320 GTP+ 320 ATP(d) 478 GTP+ 320 ATPI had been asked this question during an interview for a job.Question is taken from Elongation and Termination in portion Gene Expression : Translation of Cytogenetics

If a peptide is 160 amino acids long, How many GTP and ATP molecules d

1.	If a peptide is 160 amino acids long, How many GTP and ATP molecules does it use for elongation?(a) 318 GTP + 160 ATP(b) 478 GTP + 160 ATP(c) 320 GTP+ 320 ATP(d) 478 GTP+ 320 ATPI had been asked this question during an interview for a job.Question is taken from Elongation and Termination in portion Gene Expression : Translation of Cytogenetics
Answer» RIGHT choice is (a) 318 GTP + 160 ATP Easiest EXPLANATION: There are 159 translation steps from initiation to termination. Each step has an input of 2 GTP in form of EF-Tu and Ef-G. For all 160 AMINO acids we have to charge it with 160 ATP.

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