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Chapter 4
Photosynthesis, Respiration, Fermentation
Question | Answer |
---|---|
Photosynthesis | The process by which a cell captures energy in sunlight and uses it to make food |
Autotroph | An organism that can make its' own food |
Heterotroph | An organism that cannot make its' own food |
Pigments | Colored chemical compounds that absorb light |
Chlorophyll | The main photosynthetic pigment in chloroplasts |
Stomata | Small openings on the underside of a leaf |
What substances enter and leave the stomata? | carbon dioxide and oxygen |
What are the raw materials for photosynthesis? | carbon dioxide and water |
What are the products of photosynthesis? | sugar (glucose) and oxygen |
Respiration | The process by which cells obtain energy from glucose |
Where does the first stage of respiration take place? | The cytoplasm |
Where does the second stage of respiration take place? | The mitochondria |
What are the raw materials for respiration? | glucose sugar and oxygen |
What are the products of respiration? | carbon dioxide, water, and energy |
Fermentation | An energy-releasing process that does not require oxygen |
What are the two types of fermentation? | Alcoholic and lactic acid |
Which type of fermentation occurs in your muscle cells? | lactic acid fermentation |
Which type of fermentation occurs when yeast breaks down sugars? | alcoholic fermentation |
What does "photo" mean? | light |
What are the small openings on the underside of leaves called? | stomata |
Name the process by which cells "withdraw" energy from glucose. | respiration |
What is the chemical equation for glucose? | C6H12O6 |
During which stage of respiration is oxygen needed? | 2nd |
Where does lactic acid fermentation occur? | muscles |
How does fermentation differ from respiration? | It does not require oxygen |