例句與造句

1. Unit length genomes are then excised from these intermediates by the NS1 endonuclease ( reviewed in references 5 and 6 ), and packaged 3-to-5 into preformed empty capsids driven by the SF3 helicase activity of NS1 / Rep.
2. It's difficult to find empty capsid in a sentence. 用empty capsid造句挺難的