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Home Q & A Board Biology-Related Homework Help General Biology
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mkshawty mkshawty
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11 years ago
Possible DNA triolets for valine and leucine are identified in
Alternative            Valine          Leucine
a)                         CAT                GTG
b)                        CAA                 GAA
c)                         GTT                 CTT
d)                         GUU                 CUC
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#1
11 years ago
Not sure what "Alternative" is supposed to mean, but Valine is coded by RNA codon tiplets: GUU, GUC, GUA, GUG. Leucine is coded by RNA codon triplets: UUA UUG CUU CUC CUA CUG

So, the DNA codon triplets would simply replace the nucleotide uridine with thymidine:

valine: GTT GTC GTA GTG
leucine: TTA TTG CTT CTC CTA CTG

Hence, the only answer that fits is: C

Hope that helps.
mkshawty Author
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#2
11 years ago
thanks alot!
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