The function of aminoacyl tRNA synthetases

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Reference no: EM13533889

1. The function of aminoacyl tRNA synthetases is to

synthesizetRNA molecules.
catalyze theformation of the aminoacyl-ATP intermediate during amino acidattachment to tRNAs.
catalyze theformation of a peptide bond between amino acids.
covalentlyattach amino acids to their corresponding tRNA molecules.

2. Which of the following statements regarding tRNAs is false?

tRNAs differ insequence only at the anticodon.
There areseveral modified bases present in mature tRNAS.
All tRNAs have aCCA sequence at their 3′ terminus.
tRNAS areapproximately 70–80 bases long and form a cloverleafstructure.

Reference no: EM13533889

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