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    Mitis Research Paper

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    MITOSIS What is Mitosis? There are various structures within the cell‚ but many are too difficult to see. For example‚ within the nucleus lie the chromosomes. These are important for heredity and reproduction. When a cell splits and becomes two‚ certain processes occur within the nucleus first. One of these processes involves the splitting of the chromosomes. This process is called Mitosis and there are four distinct stages. Mitosis takes place in Regular Body Cells or Somatic Cell. It keeps Cells

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    to exist. Mitosis is the process of chromosomes dividing. There are four steps that it goes through. Between cell division the cells are in interphase. During this there is cell growth and the genetic material such as DNA is contained in the chromosomes‚ duplicated so that when the cell divides each new cell has a full version of the same genetic material. First is prophase‚ which the chromosomes coil up and become visible. Second is metaphase‚ the chromosomes move in toward the center. Third is

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    the cell begins meiosis I with prophase I. In prophase I‚ chromosomes condense‚ the spindle-fibers form‚ the nuclear envelope begins to break down‚ and homologous chromosomes pair. During metaphase I‚ the spindle-fibers line the homologous chromosome pairs in the middle of the cell. Anaphase begins and pulls the homologous pairs toward the spindle fibers on either side of the cell. Meiosis I ends with telophase I‚ when the homologous chromosome pairs finish moving to opposite sides of the cell. After

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    Chromosomal Disorder

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    questions below. You should include a sketch or picture of the chromosome affected (where the gene is located) or the show the karyotype of the disorder and how it compares to a “normal” karyotype. 1. When was the syndrome first discovered and by who? J. C. P. Williams first discovered it at the year 1961 2. The human chromosomes are numbered. If applicable‚ identify the chromosome your chromosomal disorder is on. Chromosome 7 3. Which chromosomal alteration causes this syndrome (deletion

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    carlos

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    genetic material during interphase. 11. Where are chromatids found in a cell? 12. Chromatids are made of a molecule called ___________. Chromatids are connected by the centromere and have a LONG AND SHORT ARM. Label the parts of the chromosome including the long and short arms. 1. ___________________ 2.

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    Cell Division

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    cell (daughter cell) is originated from another cell ( ) through .  In cell division‚ is inherited from one generation to the next.  Involve the distribution of genetic material (DNA) to each daughter cell.   A dividing cell….. ◦ DNA its chromosome ; its  The division of cells in the body are strictly regulated by a control mechanisms  The division of cells that do not follow the control mechanisms will produce “tumor cells” ◦ Equal distribution of genetic material to opposite ends of

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    Meiosis Worksheet

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    sequence. 1. 4th metaphase I homologous chromosome line up in the center of the cell 2.5th anaphase I spindle fibers pull homologous pairs to ends of the cell 3. 9th Telophase II 4 haploid (N) daughter cells form 4. 1st interphase cells undergo a round of DNA replication 5.7th anaphase II sister chromatids separate from each other 6. 6th Telophase I 2 haploid (N) daughter cells form 7.3rd Prophase I spindle fibers attach to the homologous chromosome pairs 8. 8th anaphase II individual chromatids

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    Study Guide: General Biology

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    Chapter 6 Explain what free energy is and how it can be used to predict the energetic outcome of chemical reactions.Free energy is defined as the energy available to do work in any system. The free energy is denoted by the symbol G. G = H – TS* H: the energy contained in a molecule’s chemical bonds‚ called enthalpy.* TS: the energy term related to the degree of disorder in the system. T is the absolute temperature (K)‚ and S is the entropy.We can use the change in free energy to predict whether

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    Mitosis Meiosis

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    Mitosis and Meiosis I. These two processes function to pass chromosomes from one cellular generation to the next in a very carefully controlled manner. II. Mitosis and Meiosis are both correctly described as nuclear division; they are never correctly called cell division‚ or any kind of reproduction. It is possible (and often quite normal) for nuclei to divide when cells don’t. And organisms reproduce; nuclei and cells divide. III. Mitosis A. Mitosis is the division of a nucleus

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    layout of the numbers‚ types‚ and structures of the chromosomes in a eukaryotic cell. This includes the diploid and haploid numbers as well as the morphology of the chromosomes. When assembling a karyotype‚ two chromosomes specify gender‚ XX for females and XY for males‚ while the remaining chromosomes are arranged from largest to smallest in pairs. Each pair is arranged based upon chromosome morphology‚ decreasing size‚ and autosome and sex chromosome distinguishes. Karyotyping is a useful tool used

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