mitosis and the cell cycle
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the phases of mitosis? | prophase, metaphase, anaphase, telophase (technically interphase isn't part of mitosis it is the stage before mitosis)
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| What are the two stages of the cell cycle? | interphase and mitosis
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| Which phase occurs when the nucleus disappears and DNA condenses into chromosomes? | prophase
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| Which phase occurs when the chromosomes get pulled apart into their chromatids? | anaphase
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| Which phase occurs when the spindle fibers cause the chromosomes to line up in the middle of the cell? | metaphase
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| which part of the cell cycle occurs when the cell duplicates its DNA? | interphase
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| which phase occurs when the dividing cell splits into two cells with the same number of chromosomes as the parent cell? | telophase
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| what is it called when the cytoplasm pinches off at the end of telophase? | cytokinesis
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| what part of the chromosome do you count to tell how many chromosomes there are in the cell? | the center
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| what is DNA called when it coils into the shape of an "x" | chromosome
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| what is DNA called when DNA is coiled in the nucleus and doesn't have a specific shape? | chromatin
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| A duplicated chromosome has _____ arms. | 2
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| what is one arm of a duplicated chromosome called? | chromatid
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| why do cells do mitosis? | to grow new cells, replace worn out cells, or to repair wounds
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| what kind of cells in the body are always dividing? | skin cells
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| what kind of cells no longer divide? | nerve and muscle cells
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| How many chromosomes does as normal human cell have? | 46
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| when a normal human cell goes through interphase and mitosis how many cells will be made? | one cell will split into two
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| mitosis creates cells that are genetically _________ to the parent cell | identical
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| if a human cell has 46 chromosomes how many chromosomes will be in the cell that it creates during mitosis? | 46 chromosomes
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| In which type of cell does this occur: the cytoplasm is divided by a cell plate? | plant cells only
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| how many pairs of chromosomes do humans have? | 23
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| do almost all human cells have exactly the same amount of DNA in them? | yes
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| what is asexual reproduction? | a new organism is produced from one organism. the hereditary material in the offspring is identical to the parent.
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| organisms with eukaryotic cells asexually reproduce by.... | cell division
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| organisms like bacteria (prokaryotes) reproduce by... | binary fission (a type of asexual reproduction)
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| what is binary fission? | the DNA (NOT in a nucleus) gets copied and then divided into two identical organisms.
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| what is budding? | a type of asexual reproduction where a new organism grows from the body of the parent organism
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| what is regeneration? | using cell division to regrow body parts
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Created by:
ruth.baker
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