Which of the following cannot be studied by tissue culture?()
A: Effects of drugs on cells
B: Canceration of cells
C: Replication of human disease models
D: Chromosomal variation
E: Virus replication
A: Effects of drugs on cells
B: Canceration of cells
C: Replication of human disease models
D: Chromosomal variation
E: Virus replication
举一反三
- Which of the following cells possess the features of typical serous cells?() A: Parietal cells B: Chief cells C: Goblet cells D: Absorptive cells E: ECL cells
- Bidirectional replication is a phenomenon which is best described by which ONE of the following? A: Allows bacteria to grow in two directions at once B: Requires at least two replication origins C: Requires no more than two replisomes D: Cannot occur on linear chromosomes E: Is purely theoretical since it cannot be visualized
- Which of the following process needs primer? ( ) A: DNA replication B: RNA replication C: RNA transcription D: RNA translation E: DNA ligation
- Interferons are a family of eukaryotic cell proteins classified according to the cell of origin. IFN-ɑ and IFN-β are produced by a variety of virus-infected cells. They A: act on target cells to inhibit viral replication B: act directly on the virus C: are virus-specific D: all of above
- Which of the following immune cells are mainly distributed on the epidermis: A: lymphocyte B: mast cell C: endothelial cells D: langerhans cells