The wobble of the genetic code refer to:()
A. One amino acid is determined by two or more codons.
B. The same set of genetic codes is used from lower organisms to human beings.
Codons in mRNA should be matched perfectly with anti-codon in tRNA
D. Mitochondrial translation system has its separate codons.
E. The third base of one codon in mRNA is not strictly paired with the first base of the anticodon in tRNA.
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The enzyme that responsible for the activation of amino acid is:() ( )
Aminoacyl-tRNA transferase ( )
B. Aminoacyl-tRNA synthetase
C. Aminopeptidase
D. Aminotransferase
E. Carboxypeptidase
Which of the following statement about tRNA is NOT correct:()
Anticodon loop can be paired with the codon.
B. TψC loop recognizes and binds to the rRNA of ribosome.
C. Dihydrouracil loop or D loop binds to aminoacyl-tRNA synthetase.
D. 5'end of the acceptor arm / amino acid arm would interact with amino acid.
Here are some descriptions about ribosome, which one is NOT correct:()
A. Ribosome consists of rRNA and two kinds of proteins.
B. Each ribosome consists of one large subunit and a small subunit.
C. The function of the small subunit of ribosome is to combine with the template mRNA.
D. The transpeptidase activity of the large subunit can catalyze the formation of peptide bond.
E. The large subunit of ribosome contains more rRNAs than the small subunit.
There are several binding sites for protein synthesis in ribosome, so which is the binding site of elongated peptidyl -tRNA:()
A site
B. P site
C. E site
D. None of the above
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