Dillon - 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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| centromere | a region of the condensed chromosome that looks pinched
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| chromosome | one long continuous thread of DNA that consists of numerous genes along with regulatory information
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| cancer | the common name for a class of diseases characterized by uncontrolled cell division
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| apoptosis | a programmed cell death; it occurs when internal or external signals activate genes that help produce self-destruction enzymes
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| stem cells | unique types of body cells that have the ability to divide and renew themselves for long periods of time
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| metaphase | the spindle fibers attach to a protein structure on the centromere of each chromosome and align the chromosome along the cell equator, around the MIDDLE of the cell
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| prophase | chromatin condenses into tightly coiled chromosomes
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| carcinogen | includes tobacco smoke and certain air pollutants which are both associated with lung cancer
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| telomere | protective "caps" on the ends of each strand of DNA that protect the chromosomes
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| chromatid | half of a duplicated chromosome
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| cell cycle | the regular pattern of growth, DNA replication, and cell division that occurs in eukaryotic cells
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| chromatin | the loose combination of DNA and proteins
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| telophase | a complete set of identical chromosomes positioned at each pole (end) of the cell
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| anaphase | sister chromatids separate from each other; the spindle fibers begin to shorten, which pulls the sister chromatids AWAY from each other and toward opposite sides of the cell
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| cytokinesis | the process that divides the cell's cytoplasm
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| mitosis | the division of the cell nucleus and its contents
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| binary fission | the asexual reproduction of a single-celled organism by division into two roughly equal parts
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| metastasize | cells break away from cancer cell; spreads to other parts of the body
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| benign (tumor) | not malignant (or cancerous); does not invade tissues or spread to other parts of the body
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| malignant (tumor) | cancerous tumor; invades surrounding tissues and may spread to other parts of the body
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| asexual reproduction | the creation of offspring from a single parent and does not involve the joining of gametes (sex cells - egg & sperm)
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Created by:
ortht
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