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7th grade photo/resp

cellular respiration and photosynthesis

QuestionAnswer
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).
Created by: cheryl foley