佐哥刚刚把偷藏很久的题库传给我... 还传得心不甘情不愿.... 1. What technological development had to occur before the cellular nature of life could be appreciated? (a) Spontaneous generation had to be disproved. (b) The microscope had to be developed. (c) Mendelian genetics had to be rediscovered. (d) The difference between prokaryotes and eukaryotes had to be appreciated. (e) Bones, teeth, hair and feathers had to be fully studied. 2. Which of the following is NOT TRUE of Cell Theory? (a) Cell Theory helped dispel the notion of spontaneous generation in the 19th century. (b) Cell Theory single-handedly unlocked the secrets of life. (c) The conceptual development of Cell Theory was dependent upon the technological development of the microscope. (d) Cell Theory, like Darwin's theory of evolution by natural selection , implied that all living things are related. (e) Cell Theory established the cell as the fundamental unit of life. 3. What kind of cell is found in multicellular organisms?? (a) prokaryotic. (b) bacterial. (c) eukaryotic. (d) cyanobacterial. 蓝绿藻 (e) none of the above. 4. What structures below are totally or partially composed of microtubules 微管? (a) cilia真核生物细胞膜上的微小细毛. (b) flagellae. (c) basal bodies基础体. (d) The cytoskeleton. (e) all of the above. 5. A substance X moves across the cell membrane with the help of a protein molecule that provides a hole through which it can pass. What words below accurately describe that protein? (a) channel protein. (b) integral protein. (c) transmembrane protein. (d) carrier protein. (e) channel protein, integral protein and transmembrane protein. 6. Which of the following eukaryotic organelles DOES NOT function to compartmentalize, or subdivide, the cell? (a) ribosomes核醣体. (b) endoplasmic reticulum内质网. (c) mitochondria. 线粒体 (d) chloroplasts. 叶绿体 (e) nucleus. 7. A single-celled organism lives freely in the open ocean. It is isosmotic等渗压的with sea water. What would happen if this cell drifted into an estuary, the mouth of a river, emptying into the sea? (a) It would swell because the new environment would be hypotonic relative to the cell. (b) It would swell because the cell would be hypertonic relative to the new environment. (c) It would shrink because the new environment would be hypotonic relative to the cell. (d) It would shrink because the cell would be hypertonic relative to the new environment. (e) It would neither swell nor shrink because the cell and the new environment would be isosmotic. 8. Red blood cells are constantly taking up glucose from the blood plasma and breaking it down for energy. Glucose is much more concentrated in plasma than it is in cells, partly because as soon as glucose enters the cell, it is immediately broken down to smaller molecules and atoms. Cell membranes are a barrier to the movement of glucose. Glucose must enter by what mechanism? (a) active transport. (b) simple diffusion. (c) passive transport. (d) osmosis. (e) facilitated diffusion. 9. Which of the following is NOT evidence that viruses arose in the course of evolution as bits of DNA or RNA that escaped from chromosomes of living organisms? (a) We know that bits of nucleic acid can break away from chromosomes and move. (b) The genes in viruses usually resemble those in living organisms. (c) Transposons can move from one cell to another. (d) Viruses, when dried, can be used to form crystals. (e) All of the above are good evidence that viruses arose as bits of rogue DNA. 10. Pasteur's experiments using flasks with S-shaped necks proved (a) that bacteria do not grow spontaneously in a rich nutrient broth, but grow only when they are introduced through an opening in the flask. (b) that more bacteria will grow in a flask if the neck is broken. (c) that bacteria are living but viruses are not. (d) that some forms of life arise spontaneously under the right conditions. (e) that brewery vats can become contaminated spontaneously. --

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