that determine properties of individual cells (e.g. cell size‚ cell granularity‚ and total DNA). Cytometers are similar to microscopes‚ except that‚ instead of creating an image of the cell‚ the flow cytometer has the ability to analyze and sort a large amount of cells in real time using set parameters that are determined by the user. The cytometer contains a laser-based technology that counts and sort’s cells by suspending them in a fluid stream‚ each cell is then passed over a electronic detector
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having sickle cell anemia can make a person more resistant to contracting malaria If it had not been for Anthony Allison‚ the world as we know it today would drastically change. Like the video stated‚ many people with the sickle cell anemia would meet “death before adulthood”. Areas with high frequencies of anopheles mosquito and sickle cell anemia would correlate but nobody would understand why. I admire Allison for not only having the burning inquiry to determine why the sickle cell anemia character
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features and components of eukaryotic chromosomes and sister chromatids. Describe the phases of the eukaryotic cell cycle. Describe the events that take place during interphase. Summarize events that occur during the five phases of mitosis. Compare cytokinesis in plants and animals. Understand the function of meiosis in sexual reproduction. Distinguish between germ-line and somatic cells. Describe how homologous chromosomes pair during meiosis. Describe the behavior of chromosomes through both
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of a cell division (mitosis or meiosis) when the chromatids (or homologous chromosomes in meiosis one) are separated and start to move away from each other. anchorage dependence- In order for a cell to resume its divisions it must be touching something else. asexual reproduction- New cells are generated through the process of mitosis (or binary fusion in the case of bacteria). These new daughter are exactly the same as the parent cell that divided. autosome- All the chromosomes in a cell‚ except
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Mitosis vs. Meiosis Cell Division is the process of dividing a parent cell into multiple daughter cells by using the Cell Cycle. The Cell Cycle itself is composed of the Interphase‚ usually Mitosis‚ and Cytokinesis. The Interphase‚ which takes up 90% of the Cell Cycle‚ is composed of three phases: Growth 1 (G1)‚ Synthesis (S)‚ and Growth 2 (G2). In the G1 phase‚ the cell grows its size‚ replicates any organelles‚ and functions normally. In the S phase‚ it would prepare to divide its nucleus. Lastly
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the process of cell division; it is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets in two nuclei. It is generally followed immediately by cytokinesis‚ which divides the nuclei‚ cytoplasm‚ organelles and cell membrane into two cells containing roughly equal shares of these cellular components. Mitosis and cytokinesis together define the mitotic phase of the cell cycle—the division of the mother cell into two daughter cells‚ genetically identical
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Content • Replication and division of nuclei and cells • Understanding of chromosome behavior in mitosis Learning Outcomes Candidates should be able to: (a) explain the importance of mitosis in the production of genetically identical cells‚ growth‚ repair and asexual reproduction; (b) [PA] describe‚ with the aid of diagrams‚ the behavior of ( )[ ] chromosomes during the mitotic cell cycle and the associated behavior of the nuclear envelope‚ cell membrane‚ centrioles and spindle (names of the main stages are expected);
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chromosome about to start mitosis is made of two sister chromatids. In what stage of the cell cycle were those sister chromatids made? When do they become visible and distinguishable by light microscopy? 2. For each of the events in mitotic phase‚ give the stage of mitotic phase in which it occurs The nuclear membrane breaks down during _______________________. Chromosomes have reached the equator of the cell during _______________________. The connection between the sisters breaks during _______________________
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process because this hypothesis applies to nearly all protein trafficking pathways. 2. Dr. George Palade‚ with the help of James Jamieson‚ used a technique called autoradiography to follow a cell cycle from start to finish. Autoradiography allows the finding of radioactive materials within a cell. To determine where secretory proteins are synthesized‚ Palade incubated slices of pancreatic tissue in radioactive amino acids for a short time period. By doing this‚ Palade & Jamieson found that
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JJ Guo 12/4/12 AP Bio Chapter 9 and 10 Review Questions 1. Binary fission is the subdivision of a cell. The relative speed is faster. Chromatin is spaghetti like before mitosis Chromosomes (X-Shape) Chromatid (each individual part of the chromosome) Centromere (middle part of the chromosome) Centriole (involved in cellular division‚ the poles that pull the chromatids) Centrosome (microtubule organization center) 4. Diploid (2n) number Half the diploid is haploid (n) number Humans have
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