For questions 12-15, consider the following: the 19th amino acid residue in the
ID: 64969 • Letter: F
Question
For questions 12-15, consider the following: the 19th amino acid residue in the cystic fibrosis transmembrane regulator protein is tryptophan (Trp, W). Use the following options to answer questions below.
A. 5’ T G G 3‘
B. 3’ T G G 5‘
C. 5’ U G G 3’
D. 3’ U G G 5
E. 5’ A C C 3’
F. 3’ A C C 5’
What is the anticodon on the tRNA for this residue?
[ Choose ]D F C E B A
What is the codon in the mRNA for this residue?
[ Choose ]D F C E B A
What is the sequence in the template strand for this residue?
[ Choose ]D F C E B A
What is the sequence in the non-template strand for this residue?
[ Choose ]D F C E B A
Explanation / Answer
1. F. 3’ A C C 5’ (tRNA runs from 3' to 5' direction)
2. C. 5’ U G G 3’ (RNA do not contain thymine, in place of thymine it contains uracil).
3. A. 5’ T G G 3‘ (the template strand (DNA coding strands for this residue (trp) is 5’ T G G 3‘).
4. F. 3’ A C C 5’ (non-template strand is non-coding strand).
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