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    are two main types of cell division: (1) mitosis and (2) meiosis. (Balls 34) Most cells are produced by a process called mitosis. In mitosis‚ a cell divides and forms two identical daughter cells. (Prescott 102) Each daughter cell then doubles in size and becomes capable of dividing. Most one-celled plants and animals reproduce by mitosis. (Baserga Biology 56) This is also the way most cells in your body and multi-cellular plants and animals reproduce. Mitosis in animal cells takes place in four orderly

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    Mitosis

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    Mitosis Mitosis is the process where a cell divides‚ to create two diploid cells identical to the first other than for a small bit of protein that lets the cell know how many times it has divided. 1. The cell duplicates its chromosomes so that it now has double as many‚ but they remain attached. 2/3. The cell begins to split until it has the chromosomes have separated completely‚ to form two separate set of chromosomes. The cell begins to divide. 4. The cell divides completely to form two diploids

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    Mitosis

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    Mitosis in a Nutshell • The stages of the cell cycle can be broken down into six stages: o Interphase‚ Prophase‚ Metaphase‚ Anaphase‚ Telophase Interphase • Is the "resting" or non-mitotic portion of the cell cycle. • It is comprised of G1‚ S‚ and G2 stages of the cell cycle. • DNA is replicated during the S phase of Interphase Prophase - the first stage of mitosis. • The chromosomes condense and become visible • The centrioles form and move toward opposite ends of the cell ("the poles")

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    Mitosis

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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

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    MITOSIS The Stages of Mitosis Mitosis is simply described as having four stages—prophase‚ metaphase‚ anaphase‚ and telophase; the steps follow one another without interruption. The entire four-stage division process averages about one hour in duration‚ and the period between cell divisions‚ called interphase or interkinesis‚ varies greatly but is considerably longer. During INTERPHASE the chromosomes are dispersed in the nucleus and appear as a network of long‚ thin threads or filaments‚ called the

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    Why Do Organisms Survive?

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    All organisms must have adaptations to survive. The adaptations that organisms develop help them to survive in their environments and then are passed down through reproduction. The genes are passed to future generations and adaptations continue to occur over long periods of time. Nature Works tells us‚” animals that are better adapted to their environment survive and breed. Animals that are not well adapted to an environment may not survive.” There are three types of adaptations that can occur: morphological

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    Mitosis lab

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    Title- Mitosis Abstract –For this lab there is no experiment to be done only questions to be answered. In this experiment we will categorize and count the cells to compute the mitotic index of the total root area. Introduction – The purpose of this experiment is to answer questions associated with the onion root tip photos that are pictured in the lab. The questions for this lab will be drawn from the discussion and review section at the beginning of the mitosis lab. Once that section has been

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    Observation of Mitosis

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    Observation of Mitosis Introduction: Reproduction is the biological process by which new individual organisms are produced. There are two types of reproduction‚ which are; asexual and sexual reproduction. Asexual reproduction is creation of offspring whose genes all come from one parent. Sexual reproduction is creation of offspring by fusion of male gametes (sperm) and female gametes (eggs) to form zygotes. Asexual reproduction involves a type of cell division known as mitosis. Mitosis is the scientific

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    Mitosis and Miosis

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    Why do cells divide? There are many reasons for this. Cells absorb and release nutrients threw their membrane. The larger the cell‚ the harder it is to get rid of all the waste that is produced. So‚ if there are many small cells (more surface area) rather than one large cell‚ the waste can be disposed of more readily. The other 3 reasons are critical to the survival of all organisms: Growth‚ repair and reproduction. • Growth: This is a result of mitosis. The more cells in an organism‚ the larger

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    Mitosis and Meiosis

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    1 – Mitosis and Meiosis    1.  A certain species has three pairs of chromosomes: an acrocentric pair‚ a metacentric pair‚ and a  telocentric pair.  Draw a cell of this species as it would appear in metaphase of mitosis.  (BAP 2.18)    2.  A cell in G1 of interphase has 12 chromosomes.  How many chromosomes and DNA molecules will be  found per cell when this original cell progresses to the following stages?  (BAP 2.20)  a) G2 of interphase  b) Metaphase I of meiosis  c) Prophase of mitosis  d) Anaphase I of meiosis 

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