prohead造句

例句与造句

1. Several dsDNA bacteriophages and the herpesviruses encode a powerful ATP driven DNA translocating machine that encapsidates a viral genome into a preformed capsid shell or prohead.
2. The critical components of the packaging machine are the packaging enzyme ( terminase ) which acts as the motor and the portal protein that forms the unique DNA entrance vertex of prohead.
3. It's difficult to find prohead in a sentence. 用prohead造句挺难的