单语范例（未经PONS编辑处理）
英语
- Using a negative selectable marker is crucial for greatly reducing the incidence of false-positives.en.wikipedia.org
- This resistance gene is used as a selectable marker in some cloning and expression vectors where zeocin is used as the antibiotic for selection.en.wikipedia.org
- As well as the gene to be inserted most constructs contain a promoter and terminator region as well as a selectable marker gene.en.wikipedia.org
- The selectable marker, which in most cases confers antibiotic resistance to the organism it is expressed in, is needed to determine which cells are transformed with the new gene.en.wikipedia.org
- The antibiotic resistance gene is being used as a selectable marker, since it allows the researcher to select only the desired cells.www.biofortified.org
- This tends to occur at a relatively low frequency in plants and animals and generally requires the use of selectable markers.en.wikipedia.org
- Common to all engineered vectors are an origin of replication, a multicloning site, and a selectable marker.en.wikipedia.org
- These vectors generally have a selectable marker allowing the differentiation of clones containing an insert from those that do not.en.wikipedia.org
- An alternative to a selectable marker is a screenable marker, which allows the researcher to distinguish between wanted and unwanted cells, e.g. between blue and white colonies.en.wikipedia.org
- Another kind of selectable marker allows for the positive selection of plasmid with cloned gene.en.wikipedia.org
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英语
- seize up
- seizure
- SELA
- seldom
- select
- selectable marker
- select committee
- selected
- selection
- selection ability
- selection committee