biology topic 4

where in a plant cell does photosynthesis take place?
chloroplasts
1 of 18
how's energy transferred to a plant from it's environment for photosynthesis?
transferred to the chloroplasts by light
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what is an endothermic reaction?
energy is transferred from the environment in the process
3 of 18
what's the word equation for photosynthesis?
carbon dioxide+water ------> glucose+oxygen
4 of 18
what type of molecule is formed from combining glucose molecules with nitrate ions?
amino acids
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why do plants store glucose as starch?
ready for use when photosynthesis isn't happening like in winter
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what is meant by 'limiting factor' of photosynthesis?
something that stops photosynthesis from happening any faster
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what 3 factors affect rate of photosynthesis?
light, CO2 and temperature
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in the inverse square law, how are light intensity and distance linked?
inversely proportional to eachother
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what is respiration?
the process of transferring energy from glucose which goes on in very cell
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what is an exothermic reaction?
when energy is transferred to the environment
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what are the products of aerobic respiration?
carbon dioxide+water
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what is produced by anaerobic respiration in muscle cells?
lactic acid
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word equation for anaerobic respiration in yeast cells?
glucose-----> ethanol + carbon dioxide
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name the 2 products in food industry that fermentation is needed for
bread and alcoholic drinks
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3 things that increase to supply the muscles with more oxygenated blood during exercise
breathing rate,breath volume and heart rate
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what happens to muscles when they become fatigued?
they get tired and stop contracting efficiently
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in what organ is lactic acid converted back to glucose?
liver
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Other cards in this set

Card 2

Front

how's energy transferred to a plant from it's environment for photosynthesis?

Back

transferred to the chloroplasts by light

Card 3

Front

what is an endothermic reaction?

Back

Preview of the front of card 3

Card 4

Front

what's the word equation for photosynthesis?

Back

Preview of the front of card 4

Card 5

Front

what type of molecule is formed from combining glucose molecules with nitrate ions?

Back

Preview of the front of card 5
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