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Biology Ch. 8

Chapter 8 - Photosynthesis

QuestionAnswer
Plants get the energy they need by absorbing? sunlight
Most plants sppear green because chlorophyll...? does not absorb green light
What is a granum? a stack of thylakoids (the pancakes)
The stroma is the region outside of the? thylakoid
Where is the chloroplast is chlorophyll found? thylakoid membrane
What is the role of NADP? electron carrier
Which chemical is an electron carrier? NADP/NADPH
A student collecting a gas that is being given off by a plant in bright sunlight... what given off that he is collecting? oxygen
What is not found in photosynthesis? nitrogen
Photosynthesis equation in symbols... 6CO2 + 6H2O ==> C6H12O6 + 6O2
Photosynthesis equation in words... Sunlight is used to convert carbon dioxide and water into high-engery sugars and oxygen
Where are Photosystem I and II found? thylakoid membrane
Calvin Cycle takes place in the...? stroma
What is a product of the Calvin Cycle? high-energy sugars
If carbon dioxide (CO2) is completely removed from their environment, what will happen? no sugars will be produced
If you continue to increase the light intensity, what will happen? it increases but will level off
Light-DEPENDENT reactions are... require LIGHT!!
Light-dependent reactions use sunlight to produce? ATP
Light-dependent recations take place in the? thylakoids
What is the product of the light-dependent reaction? oxygen
Do Light-INDEPENDENT reactions require light? NO!!!!
What reactant is absorbed during the light-independent reaction? carbon dioxide (CO2)
What is the product of the light-independent reaction? SUGARS!
What 2 pigments (colors) DO NOT absorb light? green and yellow
A series of electron carrier proteins that move high-energy electrons during ATP is called? electron transport chain
The Calvin Cycle takes place during which reaction? Light-independent
Factors that affect photosynthesis are? temperature, light intensity, and water
This is like an uncharged, rechargable battery? ADP
This is like a charged battery? It is good for transporting but NOT FOR STORING! ATP
Gets energy from OTHER sources? heterotrophs
Gets energy from SELF (photsynthesis? autotrophs
What absorbs sunlight and generates the electrons? photosystems
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