以旧换新热，是当下消费市场显现暖意的缩影。随着“两新”支持政策加力扩围，政策效应加快释放，更多“真金白银”直达消费者，激活了消费市场的一池春水。（综合新华社记者报道） ...

以旧换新热，是当下消费市场显现暖意的缩影。随着“两新”支持政策加力扩围，政策效应加快释放，更多“真金白银”直达消费者，激活了消费市场的一池春水。

One of the proteins responsible for controlling the cell cycle is Polo-Like Kinase 1 (PLK1), but studying this protein is difficult. A common way to investigate a protein's effect is to delete the ...