Cells, Growth and Division

Science

anaphase

the third phase of mitosis, where chromosomes separate, and move to opposite poles

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apoptosis

the programmed death of a cell

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asexual reproduction

the process where a single parent reproduces by itself, its offspring are identical

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cancer

a disease marked by uncontrolled cell division

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cell cycle

the life cycle of a cell

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centriole

cell organelles made of microtubules

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centromere

the region of a chromosome where chromatids attach during mitosis

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chromatid

one half of a duplicated chromosome

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chromatin

coiled DNA strands found in chromosomes

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chromosome

a structure made of DNA that contains genetic material

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cyclin

one of the proteins that regulates the cell cycle

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cytokinesis

the division of the cytoplasm during cell division

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interphase

the stage of the cell cycle before cell division occurs

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metaphase

the second stage of mitosis, where chromosomes line up at the center of the cell

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mitosis

the stage of the cell cycle during which the nucleus divides

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organ

a group of tissues that work together to perform a function, like the heart, liver or stomach

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organ system

a group of organs that work together to perform a specific function, like the digestive system

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prophase

the first phase of mitosis where chromatin twists into visible chromosomes

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spindle

fan-like structures that separate chromosomes during mitosis

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stem cell

a cell that can produce different types of cells

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telophase

the final stage of mitosis

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tissue

a group of similar cells working together to perform the same function

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