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Why do tRNAs have complementary bases that link up to mRNA?
also
Which three sets of three RNA bases code for the stop codon?
and
What is the key to a protein's unique function
2 Answers
- 1 decade agoFavorite Answer
1) this is necessary because otherwise there would be no way for the mRNA to correspond to specific amino acids. every codon signifies an amino acid, and while some codons (for example CUU and CUC) code for the same amino acid, you never have the same codon coding for two different amino acids (in other words, this system is redundant but not ambivalent.) in short, the tRNA bases need to be complementary to mRNA so that you can match codons to amino acids.
2) UAA, UAG, UGA (you can look at a codon chart to find these)
3) the sequence of amino acids and the way it's folded
Source(s): AP Bio - Anonymous1 decade ago
tRNA has 3 base pairs that correspond to a particular amino acid. tRNA is complementary to mRNA so that the correct amino acids are added to the protein chain that is being formed.
The base codons are UAG, UAA and UGA
A protein's structure is the key to its function. Primary structure (the sequence of amino acids) is very important, as well as secondary, tertiary, and quaternary structure.
