Activity #1
Normal DNA Sequence
DNA:
TACCCCGTGCAT ATAT CATATAGCACT
mRNA:
Protein:
Mutated DNA Sequence
DNA:
TACCCCGTGCACATATCGTATAGCACT
mRNA:
Protein:
Describe the effects of the change(s) in the mutated DNA sequence. Did the protein change? Do you think
this protein can perform its normal function?
Stephanie Elkowitz
Help please!!!!

Respuesta :

for the normal DNA sequence, since thymine (T) binds with adenine(A) and Adenine(A) binds with uracil(U) because there is no thymine is RNA guanine(G) pairs with cytosine(C) :

normal DNA:TACCCCGTGCAT ATAT CATATAGCACT

normal mRNA:AUG GGG CAC GUA UAU AGU- AUA UCG UGA

i grouped letters in threes as codons

normal Protein:methionine-glycine-histidine-valine-Tyrosine-Serine-Isoleucine-serine-stop

 mutated DNA:TACCCCGTGCACATATCGTATAGCACT

mutated mRNA:AUG GGG CAC GUG UAU AGC AUA UCG UGA

mutated protein:methionine-glycine-histidine-leucine-Tyrosine-Serine-Isoleucine-Serine-stop

In the mutated protein valine is replaced with leucine. Those two amino acids have different radicals that perform different functions so the protein will have an altered function.