AP LAB # 3: MITOSIS AND MEIOSIS Website to go for quizzes and activities: Print out the quizzes for mitosis and meiosis http://www.phschool.com/science/biology_place/labbench/ OVERVIEW Exercise 3A is a study of mitosis. You will simulate the stages of mitosis by using chromosome models.You will use prepared slides of onion root tips to study plant mitosis and to calculate the relative duration of the phases of mitosis in the meristem of root tissue. Prepared slides of the whitefish blastula
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ACCESS TO HIGHER EDUCATION HUMAN BIOLOGY Explaining the role of mitosis & meiosis IN GROWTH AND REPRODUCTION Table of Content Page Number Cell division 1 Why do we need cell division? 1 Chromosomes 1 What is a chromosome? 1 The Cell Cycle 2 Process of Mitosis 3 What is Mitosis? 3 Stages of Mitosis 3 Interphase 3 Prophase 4 Prometaphase 5 Metaphase
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Introduction: Mitosis occurs in all eukaryotic cell tissues and produces genetically identical daughter cells with a complete set of chromosomes. In humans‚ mitosis produces somatic cells that are diploid‚ which means they contain two non-identical copies of each of the twenty-three chromosomes. One copy is derived from the person’s mother and the other from the person’s father. Meiosis‚ on the other hand‚ occurs only in testis and ovary tissues‚ producing sperm and ova (eggs). The gametes that
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Mitosis Lab Mitosis in Onion Root Tips Make a sketch of a representative cell in each of the four stages of mitosis in the space provided below. Prophase Metaphase Anaphase Telophase Can you distinguish any cells? Yes‚ you can identify cells that are undergoing development. In prophase‚ the chromosomes make and x shape. In metaphase‚ the chromosomes are moved to the middle of the cell. In anaphase‚ the chromosomes look like they are being pulled apart. And in telophase‚ the cell starts
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Mitosis is the process in which a cell breaks apart its chromosome to eventually produce two identical daughter cells. The cell spends 10% of its time in mitosis. The cell goes through four stages in order to complete this task. The stages are Prophase‚ Metaphase‚ Anaphase and Telophase. Mitosis only occurs in eukaryotic cells and the process is different for different species. Mitosis is fast and very complex. The first phase is Prophase. In prophase‚ the chromosomes the chromosomes start to
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Comparing Mitosis and Meiosis Observe: 1. Organisms have a number of chromosomes in each of their body or somatic cells that is unique for that organism. This is called their diploid or 2n number. 2. Cells go through a cell cycle‚ whereby‚ much of the cycle does not include division‚ but at the end of this interphase in their cycle‚ they go through mitosis. 3. Cells replicate their DNA in the S phase of the cell cycle. 4. In the process of mitosis‚ cells replicate their DNA in the nucleus‚ form
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AND REPLICATION WITHIN MITOSIS AND MEIOSIS ABSTRACT The processes of mitosis and meiosis were examined along with their frequency as well as each of the different steps and their time duration. It was found that the interphase stage of both mitosis and meiosis was the longest of all the stages as this was where most of the ‘action’ was happening such as cell growth and duplication of all cell organelles and chromosome replication also. It was also found that mitosis and meiosis have similar
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Ways in which living organisms differ from each other There are many ways in which living organisms differ from each other. In this essay I will discuss the various ways of which this occurs. There are two different types of cells‚ there are prokaryotes and eukaryotes. Within eukaryotes there are different structures and similar structures. For example; in a plant cell they have a nucleus‚ mitochondria an ER‚ and a Golgi body. These are the same as animal cells; however they differ because plants
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Biology Mitosis and Meiosis Study Guide Videos if you want/need them. https://www.youtube.com/watch?v=L0kenzoeOM https://www.youtube.com/watch?v=qCLmR9YY7o Maybe helpful sites? http://www.cellsalive.com/mitosis.htm http://www.cellsalive.com/cell_cycle.htm 1. Diagram and label a chromosome. 2. Describe the structure of a nucleosome. What is the role of the nucleosome in supercoiling AND in the regulation of transcription (You will have to check Campbell Ch
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