An alert pharmacist will save a doctor from his own mistake by querying a prescription.警惕性很高的药剂师对处方提出疑问而避免了医生的错误.A pharmacist can fill any prescription if, in his or her judgment, the prescription is valid.只要药剂师认定处方有效就可按...
The DNA of chromatin must replicate before cell division.染色质DNA在细胞分裂之前必须复制.In human epithelial cells, sex chromatin appears as a small granule attached to the nuclear envelope.在人的上皮细胞中, 性染色质象个小颗粒,连在核膜上.In this condition,...