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Biology 19 Online
sam (.sam.):

In a genetic engineering experiment a piece of double-stranded DNA containing 6000 nucleotides coding for a specific polypeptide is transcribed and translated. What is the total number of amino acids in this polypeptide?

OpenStudy (anonymous):

hmmm....2000?

sam (.sam.):

no

OpenStudy (anonymous):

cuz 3 nucleotides = 1codon=1amino acid

sam (.sam.):

answer is 1000 but why

OpenStudy (anonymous):

@Natshane how ah?

OpenStudy (anonymous):

I got 100 :(

OpenStudy (anonymous):

ahh! I think I found it! double stranded = 6000 nucleotides One strand is coded into mRNA so 6000/2 = 3000 nucleotides 3 nucleotide = 1 codon = 1 amino acid 3000/3 = 1000 amino acids!

sam (.sam.):

Thank:)

OpenStudy (anonymous):

no problem :)

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