Question

what is the amino acid sequence produced by the dna sequence gtt ttc ata? codons in mrna first base second base third base u c a g u uuu phenylalanine ucu serine uau tyrosine ugu cysteine u uuc phenylalanine ucc serine uac tyrosine ugc cysteine c uua leucine uca serine uaa stop uga stop a uug leucine ucg serine uag stop ugg tryptophan g c cuu leucine ccu proline cau histidine cgu arginine u cuc leucine ccc proline cac histidine cgc arginine c cua leucine cca proline caa glutamine cga arginine a cug leucine ccg proline cag glutamine cgg arginine g a auu isoleucine acu threonine aau asparagine agu serine u auc isoleucine acc threonine aac asparagine agc serine c aua isoleucine aca threonine aaa lysine aga arginine a aug methionine acg threonine aag lysine agg arginine g g guu valine gcu alanine gau aspartic acid ggu glycine u guc valine gcc alanine gac aspartic acid ggc glycine c gua valine gca alanine gaa glutamic acid gga glycine a gug valine gcg alanine gag glutamic acid ggg glycine g glutamate - asparagine - tyrosine glutamine - asparagine - phenylalanine valine - serine - isoleucine glutamine - lysine - tyrosine

Explanation:

Step1: Transcribe DNA to mRNA

DNA: GTT TTC ATA; mRNA: CAA AAG UAU

Step2: Identify amino - acids

For CAA in mRNA, from the table, it codes for valine. For AAG, it codes for serine. For UAU, it codes for isoleucine.

Answer:

C. valine - serine - isoleucine