Photosynthesis-Cell Cycle
Terms
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- Photosynthesis
- Process by which plants capture light emergy and use it to make foor from carbondioxide and water
- Pigment
- colored chemical compound that absorbs light
- Chlorophyll
- green pigment found in the chloroplasts of plants, algae and some compounds
- Stomata
- Small opening on the undersides of most leaves through which oxygen and carbon dioxide can move
- Autotroph
- an organism that makes its own food
- Heterotroph
- an organism that can't make its own food
- Respiration
- process by which cella break down food molecules to release the energy they contain
- Fermentation
- Process by which cells break down molecules to release energy without using oxygen
- Cell Cycle
- regular sequence of growth and division
- Interphase
- stage of cell cycle that takes place before cell division occurs, cell grows, copies DNA, prepares to divide
- Replication
- when a cell makes copy of DNA in nucleus
- Mitosis
- stage of cell cycle where the cell nucleus divides into 2 new nuclei and once copy of DNA is given to each daughter cell
- Chromosome
- rod-shaped cellular structure made of condensed chromatin, contains DNA which carries genetic info that controls inherited characteristics like eye color and blood type
- Chromatin
- material in cell that contains DNA and carries genetic info
- Chromatid
- one of the identical rods of a chromosome
- cytokinesis
- final stage of cell cycle where cell cytoplasm divides, distributing organelles into each of new cells
- cancer
- a disease where some body cells grow and divide uncontrollably damaging parts of body around them
- mutation
- a change in a gene or chromosome
- tumor
- mass of abnormal cells that develops when cancerous cells divide and grow uncontrollably
- chemotherapy
- the use of drugs to kill cancer cells