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cell process & nrg

TermDefinition
photosynthesis the process by which plants and some other organisms capture the energy in sunlight and use it to make food
autotroph an organism that makes its own food
heterotroph an organism that cannot make its own food
pigment a colored chemical compound that absorbs light
chlorophyll a green pigment found in the chloroplasts of plants, algae, and some bacteria
stomata small openings on the underside of a leaf through which oxygen an carbon dioxide move
respiration the process by which cells break down simple food molecules to release the energy they contain
fermentation provides energy for cells without using oxygen
raw material of photosynthesis carbon dioxide and water
products of photosynthesis oxygen and sugar
raw material of respiration oxygen and sugar
product of respiration carbon dioxide, water, and energy
cell cycle the regular sequence growth and division that cells undergo
interphase the stage of the cell that takes place before cell division
replication the process by which a cell makes a copy of the DNA in its nucleus
mitosis the stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell
chromosome a double rod of condensed chromatin; contains DNA that carries genetic information
cytokinesis the final stage of the cell cycle, in which the cell's cytoplasm divides, distributing the organelles into each of the two new cells
cancer a disease in which some body cells grow and divide uncontrollably, damaging the parts of the body around them
tumor a mass of abnormal cells that develops when cancerous cells divide and grow uncontrollably
mutation a change in a gene or chromosome
chemotherapy the use of drugs to treat diseases such as cancer
Created by: ariannab
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