which enzyme is used to convert RNA into DNA ( )
A. DNA-pol
B. helicase
C. RNA-pol
D. primase
E. reverse transcriptase
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The factor which can recognize the terminator of RNA transcription is ()
A. α factor
B. β factor
C. σ factor
D. ρ factor
E. γ factor
DNA-dependent RNA polymerase is composed of many subunits, the component of core enzyme is ()
A. ααββ'
B. ααββ'σ
C. ααβ'
D. ααβ
E. αββ'
The initiation codon is ()
A. UGA
B. UAA
C. UAG
D. AUG
E. all of above
how many stop codon are there()
A. 1
B. 2
C. 3
D. 4
E. 5