試題詳解

26. Upon SARS-CoV-2 virus infection, the viral orfl ab gene is transcribed into one single RNA molecule but translated into non-structural polyproteins. Which of the following statement is incorrect?
(A) Some non-structural proteins are produced by ribosomal frameshift
(B) Viral proteases may cut large polyproteins into small functional nonstructural
(C) The large polyprotein itself can characterize viral genome replication
(D) Translation of orfl ab relies on host ribosome machinery
(E) Viral genome can be translated directly upon viral entry