2. Use the wobble rules presented below to answer the following questions. (10 p

Question

2. Use the wobble rules presented below to answer the following questions. (10 poinls each, 30 total) 5' nucleotide 3'nucleotide of anticodon of c U, A, or G A or G U, C, or G U or C U, C, or A a. Leucine is coded for by six codons (UUA, UUG, CUU, CUC, CUA, and CUG). What is the smallest number of tRNAs that can decode for leucine? Explain b. Isoleucine is coded for by three codons (AUU, AUC, and AUA). If a cell has only one isoleucyl IRNA. what anticodon wou ld it contain? Explain. c. Glutamic acid is coded for by two codons (GAA and GAG). If a cell has only one glutamyl tRNA, what anticodon would it contain? Explain.

Explanation / Answer

A-2 trna are needed for these leucine codons as the anticodon show wobbleing at the one base can be from any pf the four base and would pair with the codon to code for it .

B- anticodon UA_ which can pair with codons of mrna the last or third base of anticodon can wobble according to codon present .

C- CU_ anticodon needed , the reason being the same that lastbase of codon will wobble according to the codon to translated.

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