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Please help bio exam in a day!!!

So this is the question that i cant do:

During protein synthesis, tRNA molecules with the anticodon UAG attach to
the amino acid isoleucine.

Identify the DNA base triplet which codes for isoleucine.

I thought that it would be AUC but thats not what the marking scheme says. Please help with an explanation. :smile:
it's asking for a DNA triplet not the mRNA triplet so it would be TAG
Original post by Dickson_Bins
it's asking for a DNA triplet not the mRNA triplet so it would be TAG


But still though, shouldn't A join with T since they are base pairs?
Original post by flyingpanda786
But still though, shouldn't A join with T since they are base pairs?


Yes but from the tRNA

tRNA - UAG
mRNA - AUC
DNA - TAG
Original post by Dickson_Bins
Yes but from the tRNA

tRNA - UAG
mRNA - AUC
DNA - TAG



Ahhhhh, that makes soo much sense now, thank you for your help!! :smile:

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