(a) State two processes which involve mitosis. ..................................................................................................................................... ..................................................................................................................................... .....................................................................................................................................
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Describe the normal process of cell division (mitosis)‚ and explain how this process is affected in the abnormal growth of tumours Cell division is important as it allows cells to reproduce also they divide so that organs can grow and be repaired. “In the form of cell division called Mitosis‚ one cell divides into two daughter cells‚ each of them then complete but smaller than the original cell.” [1] The cell cycle is a seven stage process by which a cell duplicates itself and divides in two.
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Mitosis is a process of cell duplication‚ or reproduction‚ where one during this process gives growth to two identical daughter cells; however‚ there is no crossing over. Mitosis is asexual and has 1 division of the nucleus in cytokinesis (Simon‚ Reece‚ & Dickey‚ 2010). Meiosis is the splitting up of germ cells‚ with each possessing half the number of & Dickey‚ 2010). Meiosis is sexual and has 2 nuclear and cytoplasmic divisions. However‚ one must remember they both are preceded by Interphase
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occurs 10. Compare the number and type of cells that result from meiosis vs mitosis. Mitosis 2 diploid cells‚ that are somatic cell (cells that are not gametes) and identical to each other and to the parent cell Meiosis makes 4 haploid cells that are gametes and are all different from each other and from the parent cell 11. How do the genetic contents of cells resulting from mitosis and meiosis differ? Mitosis are identical‚ while meiosis is not identical 12 If a diploid cell containing
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The Cell Cycle Mitosis: the process by which cells reproduce themselves‚ resulting in daughter cells that contain the same amount of genetic material as the parent cell. Interphase Prophase Metaphase Anaphase Telophase Cytokinesis Cell Division Occurs in a series of stages of phases Interphase occurs before mitosis begins Chromosomes are copied (# doubles) Chromosomes appear as threadlike coils (chromatin) at the start‚ but each chromosome and its copy(sister chromosome) change to sister
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Cell Cycle and Mitosis THE CELL CYCLE The cell cycle‚ or cell-division cycle‚ is the series of events that take place in a eukaryotic cell between its formation and the moment it replicates itself. These events can be divided in two main parts: interphase (in between divisions phase grouping G1 phase‚ S phase‚ G2 phase)‚ during which the cell is forming and carries on with its normal metabolic functions; the mitotic phase (M mitosis)‚ during which the cell is replicating itself. Thus‚ cell-division
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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
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Science 9 Chapter 5.1 The Cell Cycle and Mitosis Pg152-158 Notes Cell Replacement and Development -Cells continue to divide as you continue to grow. -Muscle & nerve cells usually do not continue to divide in adult. The Cell Cycle -Life of cell = divided into 3 stages called cell cycle. -Stages = Interphase‚ Mitosis and Cytokinesis -Interphase= cells carry out functions necessary for survival and cells that divide prepare for reproduction. -Mitosis divides duplicated contents of cell’s nucleus
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11/9/2011 AICE Biology Ch 6 Jones; Ch 10 Raven 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
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TUTORIAL 9 - Student Genetics: Transcription and Translation AIMS: 1. To understand keywords and use them as an aid to study facts 2. To get a better understanding of transcription and translation LEARNING OBJECTIVES: 1. Comprehensive reading 2. To associate certain facts with each other‚ therefore creating a bigger picture Exercise 1a: Firstly‚ fill in the structure names for each picture. Secondly‚ describe in a short paragraph what u looking at‚ where u find it and the
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