Unit 05-Cell division
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each of the black spaces below before clicking
on it to display the answer.
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| What is term for when there is an uncontrolled growth of cells? | cancer
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| In what mitotic phase do we see the chromatids lined up in the middle (at the equator)? | metaphase
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| Before cell division what is the form of the chromosomes? | chromatin
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| Why should cells be smaller? | need to obtain nutrients and get rid of wastes
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| What does malignant tumor mean? | It can travel and affect tissues around it and possibly other places
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| In animal cells during cytokinesis what gets formed that does not happen in plant cells? | cleavage furrow
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| What happens in the S phase? | The DNA is copied
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| Name 4 reasons why cells division is important: | growth, development, repair, asexual reproduction
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| What hold the sister chromatids together? | centromeres
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| In plant cells during cytokinesis, what gets formed that does not happen in animal cells? | cell plate
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| What does benign tumor mean? | It doesn’t travel and affect different tissues
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| In what part of the cell cycle does the cell spend most of its time? | interphase
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| What are the 4 steps in Mitosis in correct order: | prophase, metaphase, anaphase, telophase
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| What happens in the G2 phase? | The cell prepares for mitosis
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| What is the goal of mitotic cell division? | get two exact copies of original cell
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| How many daughter cells do we get from mitosis and cytokinesis | 2 identical cells
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| In what mitotic phase do we see the nuclear membrane begin to reappear around the two sets of chromosomes? | telophase
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| What is chromatin made of? | DNA and protein
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| In what mitotic phase do we see the nuclear membrane begin to dissolve and see the sister chromatids clearly? | prophase
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| In what mitotic phase do we see the chromatids moving toward the two poles? | anaphase
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| How do cells know when to divide? | 3 checkpoints
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| What happens in the G1 phase? | the cell grows in size
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| What are the 3 main stages of the cell cycle? | interphase, mitosis, cytokinesis
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| Should cells be larger or smaller? | smaller
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| What are the 3 stages of interphase in correct order? | G1, S, G2
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| When in S phase, what is the structure of the chromosomes? | sister chromatids
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