Cell Cycle Bio Test
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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| How many chromosomes do humans have? | 46
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| What is a chromosome? | DNA, how we hold our DNA
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| What is chromatin? | Can see separated strands of DNA (DNA is usable)
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| What is a chromatid? | Highly compact DNA
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| What do we call two identical chromatids that are connected? | Sister chromatids
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| What is the place where the chromatids are connected called? | Centromere
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| What is the process called that bacteria use to divide? | Binary Fision
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| How is a bacteria chromosome different from that of a human? | Bacteria only has one, & is circular / humans have 46 different strands of DNA
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| Give three reasons that cells divide. | Growth, Repair, Replace
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| What stage of the cell cycle does the cell stay in most of the time? | Interphase , (G1)
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| What stage of the cell cycle is the cell growing? | G1 & a little more in G2
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| What happens in G1 phase? | Growing, doing its normal job/jobs, maturing
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| What happens in S phase? | DNA duplicates
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| What happens in G2 phase? | Final growth, preparing for division.
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| Describe what the G0 phase is. |
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| Give two examples of cells that remain in interphase and do not enter into mitosis. |
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| What stage of the cell cycle is the nucleus splitting? |
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| What do we call the original cell that eventually divides? |
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| What do we call the two cells after the division has occurred? |
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| What stage of the cell cycle is the cell splitting? |
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| What are the stages of mitosis in order? |
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| What happens in prophase? (Draw a diagram.) |
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| What happens in prometaphase? (Draw a diagram.) |
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| What happens in metaphase? (Draw a diagram.) |
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| What happens in anaphase? (Draw a diagram.) |
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| What happens in telophase? (Draw a diagram.) |
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| What is cytokinesis? (Draw a diagram.) |
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| How is cytokinesis different in plant and animal cells? |
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| What stage of the cell cycle is the longest? |
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| What stage of the cell cycle is the shortest? |
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| What stage of mitosis is the longest? |
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| What stage of mitosis is the shortest? |
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| What does the mitotic spindle do? |
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| What is the role of a centrosome? |
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| Give three major contributing factors that control control cell division. |
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| What is the G1 checkpoint checking for? |
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| What is the G2 checkpoint checking for? |
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| When does the M checkpoint occur? |
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| What does the M checkpoint check for? |
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| What do we call it when a cell loses control of the cell cycle? |
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| What is the difference between a tumor and cancer? |
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| What does benign mean? |
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| What does malignant mean? |
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| What is metastasis? |
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| Give three ways to treat cancers. |
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| What are the three main types of cancer and how do they differ? |
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| What is a kinetochore? |
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| At what phase does the nuclear envelope disappear? |
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| At what phase does the nuclear envelope reappear? |
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| At what phase do chromosomes begin to condense? |
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| At what stage do the sister chromatids get pulled apart? |
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| At what stage do the sister chromatid pairs line up at the cell equator? |
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| Interphase takes... | 23 hours
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| G1 phase in interphase takes... | 11 hours
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| S phase in interphase takes... | 8-10 hours
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| G2 phase in interphase takes... | 3-4 hours
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| Mitosis takes... | 1 hour
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| Prophase in mitosis takes... | 15 minutes
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| Prometaphase in mitosis takes... | 15 minutes
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| Metaphase in mitosis takes... | 15-20 minutes
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| Anaphase in mitosis takes... | 3 minutes
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| Telophase in mitosis takes... | 7 minutes
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| Cytokinesis takes... | 5 minutes
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Created by:
Avery Ansinn
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