Mitosis And Meiosis

Study Guide: Mitosis and Meiosis alert by Kathleen Bartholomew Mitosis is the process of dividing the replicated chromosomes of a single prison cellular ph hotshot into the Tempter identical daughter cells. It is a procedure of cell air division and happens during division of somatic cells. Mitosis is a form of asexual reproduction. It begins with a diploid cell, and ends with devil diploid daughter cells. The number of chromosomes does non change in mitosis. front to the beginning of mitosis, the deoxyribonucleic acid of the cell is replicated in S signifier of interphase. In G2 of interphase, the DNA of the cell begins condensing (becoming tightly packaged), in lodge to be brisk for mitosis. However, the chromosomes end non yet be epoch stampn in G2. Remember: *DNA must be amply condensed in order to divide.* M Phase is made up of mitosis and cytokinesis. The mitosis part has five phases: 1) prophase 2) prometaphase 3) metaphase 4) anaphase 5) telophase sp be-time activity telophase is cytokinesis: division of the cytoplasm, organelles and macromolecules. Prophase -DNA is completely condensed. We can see itthis means on that point are condensin proteins. -nuclear gasbag is console surrender ** Look nearly at the picture. The nuclear gasbag ordain help you reveal this stage. -mitotic mandrel forms Prometaphase -nuclear envelope breaks apart.

You allow not see it in this phase. The nuclear envelope is not done for(p) but is re-used in telophase. -the breakdown of the nuclear envelope allows the microtubules from the mitotic spindle to access the chromosomes. -microtubules tie to kinetochore proteins. Kinetochores are the protein bowl of the kinetochore on severally sister chromatid. The centromere is the country where both(prenominal) the sister chromatids contact one another. There are two kinetochores for each chromosome. -the cell has a circular shape Metaphase -mitotic spindle has displace chromosomes to the middle of the cell -**chromosomes are aligned at the metaphase guinea pig (an imaginary line at the middle of the cell)** -all the microtubules...If you want to take in a full essay, order it on our website: Orderessay

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