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Cell Cycle

Biology Cell Cycle & Meiosis Test

QuestionAnswer
What forms in the middle of plant cells in Telophase? A cell plate.
In Interphase, what happens to the chromosomes FIRST? They are duplicated.
In Interphase, what do chromosomes appear as? Threadlike coils or CHROMATINS.
What is the name of the copied chromosomes? Sister Chromosomes.
In Interphase, what do the sister chromosomes change into? Sister Chromatids.
What happenes at the end of Interphase? Sister chromosomes are changed into Sister Chromatids.
What is the point that connects the chromosomes? Centromeres.
Where does Mitosis begin? In Prophase.
In Prophase, Mitosis begins. What begins to happen? Cells begin to divide.
In Prophase, what appears &begins to move to opposite sides of the cell? Centrioles.
In Prophase, what do the centrioles do? Appear & Begin to move to the opposite sides of the cell.
What happens at the end of Prophase? Spindle fibers begin to form between the poles.
What happens in Metaphase? Chromatids begin to attach to the Spindle Fibers.
What happens in Anaphase? The Chromatids SEPARATE & begin to move to opposite ends of the cell.
In Telophase, what forms? 2 new Nuclei.
In Telophase, what do chromosomes appear as? Chromatin (threads rather than rods)
What happens in the end of Telophase? Mitosis Ends.
What happens in Telophase 1 on Meiosis? Cleavage Furrow forms beginning Cytokinesis.
In Meiosis, what is the name of the area where the chromatids line up during Metaphase? Equitorial Plate.
In Meiosis, what do the diploid cells contain during Prophase Early-Middle? Homologous Chromosomes.
In Meiosis, Early Prophase, what's up with the pairs? One is maternally derived & one is partially derived.
What is the pairing in Meiosis Prophase early called? Synapsis.
What happens at the end of Meiosis Prophase Early? Nuclear Envelope & Nucleoli begin to disappear.
In Meiosis Prophase Late, what's the first thing that happens? The homologous chromosomes exchange genetic material by chaismata.
What happens last in Prophase Late? Microtubules attach to the chromosomes, directing them to the equatorial plate.
What has happened in Metaphase 1? Homologous chromosomes has lined up in a pair-wise fashion.
What happens in Anaphase 1? The chromosomes from each pair move to each opposite side of the cell.
What's the 2nd thing in Anaphase 1? The centromeres don't divide.
What happens in Telophase 1? The chromosomes DECONDENSES, nuclear membrane reforms, and the cytoplasm divides.
What happens in Prophase 2? The chromatin once again CONDENSES into chromatids.
What happens in Metaphase 2? Chromosomes have lined up on the equatorial plate & microtubules from opposite poles attach to each sister chromatid.
What happens in Anaphase 2? Centromeres divide & both chromatids become independent chromosomes & move to cell's opposite sides.
What happens in Telophase 2? Once again the chromosomes decondense, nuclear membrane reforms.
Created by: Bryan.Klein
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