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Meiosis

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Meiosis
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نص القصة المصورة

  • Ouchh!!
  • Are you okay?
  • So, after looking at your arm, it appears that mitosis will help it mend quickly!
  • cries*
  • The main phase your cells are in now is called the Interphase.
  • Two chromosomes are generated during interphase and are linked together by the centromere. The centromere connects the two chromotids.
  • That's awesome!
  • Once upon a time, there was a young kid named Robert. He was at school, chatting with his friends and playing on the playground, when he fell from the swing and landed on the hard ground, breaking his arm. He severely injured his arm on the ground, so the teacher sent him to the nurse's office.
  • By the way, Spindle Fibers are the cytoskeleton structure that forms during cell division, AKA Mitosis.
  • The nurse entered and examined his arm. She described mitosis as having six stages: interphase, mitosis, prophase, metaphase, anaphase, telophase, and cytokinesis. She discusses how mitosis boosts cell development and speeds up the healing of shattered bones and wounds!
  • The nucleus is where chromosomes and DNA are kept, and the nuclear membrane is the outside protection for the nucleolus the nucleus.
  • I feel almost completely healed already!
  • The nurse explains that during the Interphase, which occurs before mitosis, the cells grow and the chromatin begins to replicate. She also informs Robert that the Interphase is divided into three major sections: G1, S, and G2. G1 is the stage during which cells prepare their chromosomes for replication. S stands for synthesis, which is when chromosomes are copied and created. Finally, G2 is when they complete the replicating process.
  • Since you now know all about the Cell Cycle and Mitosis, you're all set! You've been fully healed!!
  • 2 MONTHS LATER
  • YEHEYY!
  • The first step in MITOSIS is the Prophase, which is when the chromosomes become visible as paired chromatids and the nuclear envelope disappears. She explained that the second step is called the Metaphase, when the chromosomes become attached to the spindle fibers, which then join to the Centromere.
  • During the Prophase, the spindle fibers are attached to the sister chromatids at the centromere. Then, the centrioles move to opposites sides of the cell. during the Metaphase, spindle fibers pull sister chromatids and line them up in the middle of the celll, which is called the equator.
  • The nurse explained to Robert how the third step, the Anaphase, helps him heal by creating more cells. In the Anaphase, then the doubled set of chromosomes separate into two identical groups that move to opposite ends of the cell. This is helpful to him because the cells are in the process of producing more cells.
  • After Anaphase, the next phase is called Telophase, in which the chromosomes begin to uncoil to form chromatin. The nuclear membrane nucleus begin to reform around chromosomes. The Nucleolus becomes visible again. Finally, spindle fibers break down.
  • Right after Telophase, Cytokinesis begins. During Cytokinesis, the Cytoplasm is completely divided. A Cleavage Furrow forms and the cytoplasm divides, therefore creating 2 new daughter cells. After this stage, the cycle of cells is complete, and it cycles back through continuously to continue forming new cells.
تم إنشاء أكثر من 30 مليون من القصص المصورة