Please compare and contrast mitosis and meiosis. How are they simila.pdf

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our original model was pv^n =C where n is an exponent and C is a constant use the p and V data sent to you Previous it was shown that, if using log-log paper, a straight line could be drawn showing the relationship between volume and pressure A regression analysis will do even a better job of analysis But keep in mind that bo is in terms of a log. So taking the antilog of bo will give the real value for Bo where your Bo is really C Show your work in determining Bo and B1 Solution we have logP=logC-n*logV and -n = B1,logC=B0 then logP=B0-B1logV logP=B0-2B1 (answer).

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Please compare and contrast mitosis and meiosis. How are they similar and how are they
different? When do these processes take place?100 words or more please
Solution
Both the mitosis and meiosis are two types of cell division that result in the production of new
cells. The following are the differences between mitosis and meiosis.
Mitosis
Meiosis
Occurs in vegetative cells
Occurs in reproductive cells
Daughter cells are identical to parent cells and are diploid.
Daughter cells are not identical to the mother cells and are haploid.
Number of daughter cells produced per each division are two
Number of daughter cells produced per each division are four
No genetic recombination occurs
Genetic recombination do occurs.
Number of chromosomes in mitosis at various stages are, Interphase = 2n,Prophase = 2n,
Metaphase = 2n, Anaphase = 4n, Telophase = 4n, Cytokenisis = 2n
Number of chromosomes in meiosis at various stages are, Meiosis-I
Interphase = 2n, Metaphase = 2n, Anaphase = 2n, Telophase = 2n, Cytokenisis = n.
Meiosis-II:
Metaphase 2 = n, Anaphase 2 = 2n, Telophase 2 = 2n, Cytokenisis 2 = n.
The main purpose of mitosis is tissue growth
The main purpose of meiosis is reproduction and gene diversity.
Mitosis
Meiosis
Occurs in vegetative cells
Occurs in reproductive cells
Daughter cells are identical to parent cells and are diploid.
Daughter cells are not identical to the mother cells and are haploid.
Number of daughter cells produced per each division are two
Number of daughter cells produced per each division are four
No genetic recombination occurs
Genetic recombination do occurs.

Number of chromosomes in mitosis at various stages are, Interphase = 2n,Prophase = 2n,
Metaphase = 2n, Anaphase = 4n, Telophase = 4n, Cytokenisis = 2n
Number of chromosomes in meiosis at various stages are, Meiosis-I
Interphase = 2n, Metaphase = 2n, Anaphase = 2n, Telophase = 2n, Cytokenisis = n.
Meiosis-II:
Metaphase 2 = n, Anaphase 2 = 2n, Telophase 2 = 2n, Cytokenisis 2 = n.
The main purpose of mitosis is tissue growth
The main purpose of meiosis is reproduction and gene diversity.

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1. Describe the steps of mitosis. 2. Describe what happens during interphase. 3. The progress of the cell cycle is tightly controlled. Describe what happens at the G2 control checkpoint. 4. Compare mitosis and meiosis. How are they similar? How are they different? 5. Describe 3 ways that sexual reproduction contributes to genetic diversity Solution 1. ANS: The steps of mitosis are Interphase, Preprophase, Prophase, Prometaphase, Metaphase, Anaphase, Telophase and Cytokinesis. 2. ANS: Inter phase is the time between mitosis events. In this the preparations for mitosis are made. It mainly consist three phases. They are G1 phase, S phase, and G2 phase. The key events taken placed during the time of inter phase A. all replication needed proteins are maked in this stage. B. DNA must be expanded and uncondensed. C. DNA is replicated. 3. ANS: During the cell cycle genetic information is evaluated at three internal checkpoints. The cell cycle is mainly controlled by three internal checkpoints they are... 1. G1 checkpoint 2. G2 checkpoint 3. M checkpoint G2 checkpoint: The G2 phase is the time during which a cell replicates its organelles in preparation for mitosis. This checkpoint can ensured that all of the chromosomes been replicated and that the replicated DNA is not damaged before cell enters mitosis. 4. ANS: Compare mitosis and meiosis: Similarities: Mitosis and meiosis both contains inter phase , pro phase , meta phase , anaphase , and telophase. Mitosis and meiosis both are involved in DNA replication. The chromosome number was same in each new cell. Differences: Mitosis taken placed in somatic cells and meiosis occurs in reproductive cells . In meiosis four daughter cells are formed but in mitosis, two daughter cells are formed. Cytokinesis occurs only once in mitosis, but in meiosis it taken placed once or twice. mitosis dividing cells be either diploid or haploid but in meiosis it only can be present in diploid condition. 5. ANS: Sexual reproduction contributes to genetic diversity: 1. Crossing over or recombination 2. Independent assortment 3. Random fertilization 4. Random mating 5. Diploidy or polyploidy.

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