Biology key terms 5
Terms
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- photosynthesis
- process by which organisms use light energy to produce organic compounds
- autotroph
- organism that obtains energy from sunlight or inorganic substances
- heterotroph
- organsim that must get energy from food sources
- cellular resperation
- process by which living organisms harvest the energy in food molocules
- pigment
- molocule that absorbs certain wavelengths of light
- chlotophyll
- pigment responsible for trapping light energy in photosynthesis
- carotenoid
- yellow and orange plant pigments that aid in photosynthesis
- thylakoid
- internal membrane-bound sac of a chlorplast
- electron transport chain
- series of mololcules through which electrons are passed to make ATP
- NADPH
- electron carrier that provides high energy electrons for photosynthesis
- carbon dioxide fixation
- process by which carbon dioxide is incorporated into organic compounds
- Calvin Cycle
- common method of carbon dioxide fixation in photosynthesis
- aerobic
- term for processes that require oxygen
- anaerobic
- term for processes that do not require oxygen
- glycolysis
- biochemical pathway that breaks down glucose to pyruvate
- NADH
- electron carrier that stores energy used to make ATP
- Krebs cycle
- cyclic biochemcial pathway of cellular respiration that uses carbon dioxide and produces ATP, NADH, and FADH2
- FADH2
- electron carrier produced during the Krebs cycle
- fermentation
- anaerobic process of cellular resperation that recycles NAD+ needed to continue glycolysis