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Biology - Unit 5

Photosynthesis & Cellular Respiration

QuestionAnswer
Describe the first step of photosynthesis Light reactions occur and solar energy is converted to chemical energy
Describe the second step of photosynthesis Dark reactions occur and chemical energy is stored in sugars
How do the fixations in each photosynthesis step differ Light reactions have an energy fixation and dark reactions have a carbon fixation
Describe the role of light and chlorophyll in photosynthesis Chlorophyll absorbs light, which helps provide ATP and NADPH energy needed to make glucose
Write the overall equation for photosynthesis Describe the first step of aerobic cellular respiration
Describe the second step of aerobic cellular respiration The krebs cycle occurs in the mitochondria and breaks apart pyruvic acid
Describe the third step of aerobic cellular respiration The electron transport chain occurs in the mitochondrial membrane and uses oxygen
How many net ATPs are produced in each step of aerobic cellular respiration 2 in the first, 4 in the second, 30 in the third
Name two similarities between photosynthesis and respiration Both occur in the cell
Both involve an electron transport chain
Name two differences between photosynthesis and respiration Photosynthesis creates glucose from carbon dioxide and water, but cellular respiration breaks down glucose into carbon dioxide and water
Photosynthesis stores energy, but cellular respiration releases energy
What organisms go through anaerobic cellular respiration; give two reasons why Archaea, bacteria, and prokaryotes go through cellular respiration because the oxygen supply is limited during aerobic respiration
Energy is converted quicker during anaerobic cellular respiration
How do alcohol fermentation and lactic acid fermentation differ Alcohol fermentation occurs in plants and yeast, but lactic acid fermentation occurs in animals and produces muscle cramps
Write the overall equation for cellular respiration
Created by: mwilliams24
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