"Cell Cycle and Cancer" Session
Cancer and Cell Cycle
Created Date
03.23.22
Last Updated
03.23.22
Viewed 36 Times
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Topics of this game:
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G2 and M checkpoints are regulated ___.
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The G1 checkpoint is regulated ___.
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Examples of ___ can be death of nearby cells or the release of growth-promoting hormones.
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___ are points in the Eukaryotic cell cycle that can stop the progression of the cell cycle until conditions are favorable.
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At the ___ checkpoint, the cell irreversibly commits to cellular division.
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If a cell is unable to fix errors present, it can be sent to ___ until conditions improve.
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The most important role of the ___ checkpoint is to make sure that chromosomes have been replicated correctly and free of damage.
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The ___ checkpoint ensures that microtubules are properly attached to sister chromatids.
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For the cell cycle to proceed past the M checkpoint, ___ must be attached to at least two spindle fibers.
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___ regulation will halt the cell cycle.
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Cyclins and cyclin-dependent kinases (Cdks) are examples of ___ regulators.
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Levels of cyclin proteins ___ throughout the cell cycle in a predictable pattern.
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Increases of cyclin proteins are triggered by ___ signals.
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___ activates a protein by changing its shape.
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The end goal of ___ is to activate a target protein that will continue in the cell cycle.
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Cyclin dependent kinases are a type of enzyme known as a kinase which ___ other proteins.
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___ prevent(s) the activation of Cdks with a block that can’t be removed until the event that provoked this is resolved.
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Retinoblastoma protein (Rb), p53, and p21 are all examples of ___ regulators.
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___ will stop the cell cycle to repair DNA and reinitiate the cell cycle.
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If repairs cannot be made under p53, ___ will occur. Faulty p53 is found in most tumor cells.
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When ___ is not phosphorylated, it will bind to transcription factor E2F and prevent the production of proteins encoded by the gene of interest.
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As p53 levels increase, the production of ___ will be triggered which will enforce the stop in the cell cycle by inhibiting Cdk/cyclin activity.
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For a cell to pass all check point, all positive regulators must be ___, and all negative regulators must be ___.
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___ begins when a gene mutation leads to a mutated protein which has an essential role in cell reproduction.
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(A) ___ occurs when the mutated cell outpaces the growth of normal cells.
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___ are genes that code for positive regulation of the cell cycle.
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___ are segments of DNA that code for negative regulator proteins that can prevent uncontrolled cell division when activated.
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___ are/is an example of proto-oncogenes while, ___ are/is an example of tumor suppressor genes.
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In cancer, oncogenes must be ___ and tumor suppressor genes must be ___.
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