1. A tRNA has the anticodon sequence: 5'-IGC- 3'. which codon will not decipher with this tRNA? a) 5'- GCU-3' b) 5'- GCC-3' c) 5'- GCA-3' d) 5'- GCG-3' e) none of the above

Human Heredity: Principles and Issues (MindTap Course List)
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Chapter10: From Proteins To Phenotypes
Section: Chapter Questions
Problem 20QP: If an extra nucleotide is inserted in the first exon of the beta globin gene, what effect will it...
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1. A tRNA has the anticodon sequence: 5'-IGC-
3'. which codon will not decipher with this
tRNA?
a) 5'- GCU-3'
b) 5'- GCC-3'
c) 5'- GCA-3'
d) 5'- GCG-3'
e) none of the above
2. A reasonable explanation for the fact that
Met-tRNA^Met does not contribute is
methionine residue to the first positions of
polypeptide chains is that;
a) IF-2 can form a complex with fMet-
tŔNA^fMet but not with Met-tRNA^Met
b) EF-Tu can form a complex with all
aminoacyl-tRNA's except fMet-tRNA^fMet
c) both IF-2 and EF-G bring about a ribosome-
dependent hydrolysis of GTP
d) AUG and GUG serve as codons for
methionine in the N-terminal positiom but
only AUG is a codon for methionine in internal
position.
e) all of the above
Transcribed Image Text:1. A tRNA has the anticodon sequence: 5'-IGC- 3'. which codon will not decipher with this tRNA? a) 5'- GCU-3' b) 5'- GCC-3' c) 5'- GCA-3' d) 5'- GCG-3' e) none of the above 2. A reasonable explanation for the fact that Met-tRNA^Met does not contribute is methionine residue to the first positions of polypeptide chains is that; a) IF-2 can form a complex with fMet- tŔNA^fMet but not with Met-tRNA^Met b) EF-Tu can form a complex with all aminoacyl-tRNA's except fMet-tRNA^fMet c) both IF-2 and EF-G bring about a ribosome- dependent hydrolysis of GTP d) AUG and GUG serve as codons for methionine in the N-terminal positiom but only AUG is a codon for methionine in internal position. e) all of the above
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