5.3 Regulation of the Cell Cycle – Flashcards
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Growth Factors
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a broad group of proteins that stimulate cell division
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Apoptosis
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programmed cell death
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Kinases
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help control the cell cycle are activated by cyclins
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Cyclins
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a group of proteins that are rapidly made and destroyed at certain points in the cell cycle
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Cancer
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common name for a class of diseases characterized by uncontrolled cell division
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benign
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the cancer cells remain typically clustered
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malignant
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tumor where some of the cancer cells can break away; cannot be easily removed
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metastasize
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cancer cells can break away from the tumor
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carcinogens
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substances known to produce and promote the developments of cancer
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Radiation Therapy
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the use of radiation to kill cancer cells and shrink tumors; damages a cell's DNA so much that the cell cannot divide
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Chemotherapy
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uses certain drugs often in combination to kill actively dividing cells; kills both cancerous and healthy cells
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HeLa cells
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most popular/famous laboratory cells used for research
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pressure
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A tumor can exert great _________on surrounding areas
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normal
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Cancer cells come from _________ cells that have suffered damage to the genes that help make proteins involved in cell-cycle regulation
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Oncogenes
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accelerate the cell cycles
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inherited
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mutations can be __________.
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tobacco smoke, air pollutants, viruses, etc.
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name some causes of cancer
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bind to their receptors
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External factors ____________ and trigger internal factors that affect the cell cycle.
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webbing
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Human embryos have __________ between their fingers and toes
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bloodstream or lymph system
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breakaway cells can be carried in the ______________.
