Biochemistry - Protein Synthesis - Discussion

Discussion :: Protein Synthesis - Section 1 (Q.No.8)


Protein synthesis rates in prokaryotes are limited by the rate of mRNA synthesis. If RNA synthesis occurs at the rate of 50 nucleotides/sec, then rate of protein synthesis occurs at

[A]. 10 amino acids/sec
[B]. 17 amino acids/sec
[C]. 25 amino acids/sec
[D]. 50 amino acids/sec

Answer: Option B


No answer description available for this question.

Saransh Sahani said: (Jan 18, 2016)  
Hi guys.

Please can anybody explain?

Aarti Pant said: (May 19, 2016)  
It has been found that the rate of transcription and translation are nearly similar.

Rate of transcription = 50nt/sec.
As the rate of transcription = rate of translation.

So, 50nt will code for 16.6 amino acids in a sec which is near to 17 amino acids/sec.

Anand said: (May 20, 2016)  
@Aarti Pant.

How did you calculate that value as 16.6?

Alex said: (Mar 7, 2017)  
3 nucleotides code for a codon and 50 divides by 3 is 16.6 hence 17.

Prachi said: (Dec 2, 2019)  

Each of the three nucleotides encodes for one amino acid. So, 50 nucleotide/sec is 50/3 = 16.6 amino acid/sec. Hence, the rate of transcription =the rate of translation.

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