Tyrosine can be encoded by both UAU and UAC. Imagine that these codons are recognized by different tRNAs, and that the UAU tRNA is expressed at five times the level of the UAC tRNA. What would be the consequence of this expression difference?

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Biology

Quintin Chavez

12 December, 12:56

Tyrosine can be encoded by both UAU and UAC. Imagine that these codons are recognized by different tRNAs, and that the UAU tRNA is expressed at five times the level of the UAC tRNA. What would be the consequence of this expression difference?

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Eli Jackson · Answer 1

A codon can be described as sequences of three nucleotides which make up the genetic code. By decoding this information, specific proteins are made. For each genetic code on the mRNA, there are anticodons carried by tRNA. The nucleotides of the anti-codons are specific for the nucleotides present in the specific genetic code.

If UAU tRna is expressed five time more than the UAC tRna, then UAU-containing mRNAs will be translated at a faster rate than the UAC-containing mRNAs.