.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?

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jazrio

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hmmm....2000?

.Sam.

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no

jazrio

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cuz 3 nucleotides = 1codon=1amino acid

.Sam.

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answer is 1000 but why

jazrio

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@Natshane how ah?

Natshane

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I got 100 :(

Natshane

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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.

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Thank:)

Natshane

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no problem :)