The table shows some mRNA codons that code for certain amino acids.
A DNA template strand has the base sequence shown.
ACAGTATTATTTGCAACG
What would the change in the amino acid be if the first base in the fifth DNA triplet was substituted for an A base?
1 )
alanine to cysteine
2 )
alanine to threonine
arginine to cysteine
4 )
arginine to threonine
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