Either number 1 or number 3.
Bahahaha I don't even know.
sorry
The answer is : B) Inner Ear.
The chart very nicely lays out the amino acid each codon corresponds to. You're looking for "trp" in the chart, which only appears once, beside the UGG codon. Therefore, only one codon codes for tryptophan.
During the rock cycle igneous rock is weather into metamorphic rock
Not true, certain chemical transmitters stimulate certain receptors