Estimate how long it will take a muscle cell to translate

The mediam molecular weight of eukaryotic proteins is about 40,000 daltons. A few proteins are much larger, such as a muscle cell protein called titin, which has a molecular weight of 3,000,000 daltons.

A) Estimate how long it will take a muscle cell to translate an mRNA coding for a protein of median size and one coding for titin. The average molecular mass of an amino acid is 110 daltons. Assume that the translation rate is two amino acids per second.

B) If the nucleotides in the coding portion of the mRN constitute 10% of the total nucleotides that are transcribed, how long will it take a muscle cell o transcribe a gene for a ptotein of median size versus the titin gene. Assume that the transcription rate is 50 nucleotides per second.

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