2013年7月细胞生物学正考(国外英文资料).doc

2013年7月细胞生物学正考 Subject: cell biology test name: Chinese medical university Subject: the name of the cell biology test: Chinese medical university in January 2014, medical university in July 2013 Single topic selection The basic unit of organism structure and function is (score: 1) A. gene B. protein C. cells D. the nucleic acid E. peptide The matter that maintains cell osmotic pressure and pH is (score: 1) A. inorganic salt B. monosaccharide C. fatty acids D. the amino acid E. nucleotide The thickness of the ultrathin section used for transmission electron microscopy is usually (score: 1) A. 0.2 microns B. 50-100 nm C. 10 microns D. 2 nm E. 100 microns The experimental technique for cell sorting is (score: 1) A. electron microscopy chromatography electrophoresis D. Flow cell surgery E. cell fusion The organelles that are the first to fall out of the heart of the mind are (the score: 1). A. the nucleus B. lysosome C. the mitochondria peroxides E. the ribosome Which component is not suitable for column chromatography separation (score: 1) A. Charge is different Different size C. affinity is different D. Density Water is different from water 7. When cell proliferation after reaching a certain density, it spread out, with a certain proportion to move from one culture to another or to expand training of several containers called (points: 1) Tissue culture Primary culture Transfer culture Clone culture Natural culture To observe the outline of the object being examined, and the microscoped microscopy (score: 1) that cannot be distinguished from the inside. A. contrast microscope B. normal light microscope C. dark vision microscope D. Transmission electron microscope E. fluorescence microscope Maintaining the Na + concentration in the cell is 10 to 20 times lower than the nna + concentration of the cell. A.N a + -h + exchange carrier B.N a + -k + -atpase C.N a + - Ca2 + exchange vector D. transport the voltage gate ion channel of Na + Transhipment Na + gate ion channel Wh