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cellular respiration and photosynthesis

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

How do plants obtain energy   They trap energy from the sunlight  
What are the reactants of photosynthesis   carbon dioxide and water, in the presence of light  
what are the products of photosynthesis   glucose and oxygen  
where does photosynthesis occur   in the chloroplasts  
Why are there no chloroplasts in roots   roots are underground and not exposed to sunlight  
Would you expect a plant to produce more oxygen on a cloudy day or a sunny day?   Sunny. Light is needed for photosynthesis  
How does a plant obtain carbon dioxide   It comes in through the stomata on the underside of the leaf  
what is glucose   a simple sugar  
How does a plant obtain water   through the roots  
What is the pigment in chloroplasts called   chlorophyll  
Why is light not considered a reactant   It is not used or rearranged in the reaction.  
What kind of organisms can do photosynthesis?   Only organisms like plants, some bacteria and some protists (algae)  
Why are plants called producers   They are the only organisms that can make their own food  
What would happen to the animals if the sun did not shine   animals would die because they are reliant on the sun to provide energy to plants to make food.  
Who does cellular respiration   plants and animals  
What is the purpose of respiration   to make energy for the cell  
What part of a cell does respiration   mitochondria  
Why would you expect to find more mitochondria in the heart than in the skin   The heart is a muscle that needs constant energy to keep beating  
what are the reactants of respiration   oxygen and glucose  
what are the products of respiration   water, carbon dioxide and energy  
What is different about fermentation?   Fermentation doesn't require oxygen and it produces alcohol instead of water.  
Explain how photosynthesis and cellular respiration are opposite processes   Photosynthesis requires the materials that respiration produces. Respiration requires the materials that photosynthesis produces. Photo. takes light energy to make food (glucose). Respiration takes food (glucose) to make chemical energy (ATP).  


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Created by: cheryl foley