题目内容

What kinds of enzymes are involved in the protein biosynthesis:()

A. translocase
B. transaminase
C. peptidyl transferase
D. RNA polymerase
E. aminoacyl-tRNA synthetase

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Which of the following structure would appear in a tRNA molecule:()

A. Codon loop
B. 5 'end with -C-C-AOH structure
C. Anti-codon loop
D loop
E. 3 'end with -C-C-AOH structure

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Which of the following steps are involved in the maturation process of miRNA after it is transcribed:()

A. Recognition and cleavage of Drosha
B. Adding of signal peptide
C. Transfer out of the nucleus by exportin-5
D. Recognition and cleavage of Dicer
E. Combination with the target gene

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fMet-tRNAfMet is formed by the catalysis of a kind of aminoacyl-tRNA synthetase which is specific to fMet.()

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fMet - tRNAfMet will connect to A site of the ribosome in the initiation of translation.()

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What kinds of enzymes are involved in the protein biosynthesis:()

A. translocase B. transaminase C. peptidyl transferase D. RNA polymerase E. aminoacyl-tRNA synthetase

Which of the following structure would appear in a tRNA molecule:()

Which of the following steps are involved in the maturation process of miRNA after it is transcribed:()

fMet-tRNAfMet is formed by the catalysis of a kind of aminoacyl-tRNA synthetase which is specific to fMet.()

fMet - tRNAfMet will connect to A site of the ribosome in the initiation of translation.()

A. translocase
B. transaminase
C. peptidyl transferase
D. RNA polymerase
E. aminoacyl-tRNA synthetase