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bioenergetics

Topic 4

QuestionAnswer
Photosynthesis -Uses energy to change carbon dioxide and water into glucose and oxygen -takes place in chloroplasts(contain pigment chlorophyll) -energy transferred to chloroplasts from environment by light -endothermic reaction
Photosynthesis equation Carbon dioxide + water --Light--> Glucose + oxygen
glucose in plants -respiration ( transfer energy) -making cellulose (strong cell walls) -making amino acids ( made into proteins) -stored as oils or fats (for storing in seeds) -Stored as starch (stored in roots, stems, and leaves)
Limiting factors of photosynthesis -light -concentration of oxygen - temperature -Chlorophyll
how to test for photosynthesis? Using pondweed to measure effects of light intensity using materials such as : -a light source -a ruler -a capillary tube -a syringe -a test tube with water and pondweed
inverse square law light decreases in portion to the square of the distance --- Light intensity ''proportional to'' 1/distance^(2)----
what is Respiration process of transferring energy from glucose , which goes on in every cell.
what is metabolism Metabolism is the chemical reactions in an organism which are controlled by enzymes (biological catalysts) Reactant -enzyme-> product -enzyme-> product -enzyme (so on
what is aerobic respiration Aerobic respiration uses oxygen, its the most efficient way to transfer energy from glucose -goes on all the time in animals and plants -happens inside mitochondria Glucose + oxygen --> carbon dioxide + water
what is anaerobic respiration Anaerobic respiration is respiration ''without oxygen'' it occurs when your body doesn't have enough oxygen . its the incomplete breakdown of glucose making lactic acid --Glucose ---> lactic acide.
anaerobic respiration in plants and yeast plants and yeast upon using anaerobic respiration produce ethanol ( alcohol) and carbon dioxide -anaerobic respiration in yeast is called fermentation ------ Glucose ----> ethanol + carbon dioxide
anaerobic respiration and oxygen debt anaerobic respiration causes to a oxygen dept.
oxygen debt oxygen debt is the amount of extra oxygen your body needs to react with the build up of lactic acid and remove it from the cells. high levels of lactic acid will cause the pulse and breathing rate to stay high.
Created by: amature
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