Photosystems
Light Reactions
Calvin Cycle
Light & Pigments
Photo-Sciency Words
100
Photosystems are located here
What is the thylakoid membrane?
100
The proton gradient is created here.
What is the thylakoid space or lumen?
100
This is the location of the Light Independent reactions.
What is the stroma?
100
This color of light is least effective in driving photosynthesis.
What is green?
100
This a series of molecules that transfer electrons in the thylakoid membranes
What is an electron transport chain?
200
The function of these is to harvest photons of light and transfer the energy to the reaction center
What are antennae pigments?
200
Of the following, only this is does not occur in the light reactions: a. O2 is produced; NADP is reduced to NADPH b. CO2 is incorporated into G3P c. ADP is phosphorylated to make ATP d. Light is absorbed
What is CO2 is incorporated into G3P?
200
The light-independent reactions can occur as long as there is a supply of these
What are ATP and NADPH?
200
These are clusters of pigment molecules in the photosynthetic membranes
What are photosystems?
200
This happens to CO2 when it is combine with RuBP
What is carbon fixation?
300
This reaction center of this photosystem absorbs light best at wavelengths of 700 nm (Name the reaction center and the photosystem)
What are P700 and Photosystem I ?
300
The end products of the light-dependent reactions
What are ATP, NADPH, O2?
300
This is combined with a 5-carbon sugar in the first reaction of the Calvin cycle
What is CO2?
300
These colors of light are not being absorbed by a plant with reddish yellow leaves
What are red and yellow?
300
Is sugar made by oxidation or reduction of CO2? (Yes I know this is a question)
Reduction
400
The splitting of water provides electrons to replace those lost by this photosystem.
What is Photosystem II ?
400
Of the following, this one is not true about the light dependent reactions: a. water is split to provide electrons b. chlorophyll absorbs light which excites electrons c. an ETC is used to make a proton gradient d. a proton gradient is used to reduce NADP
What is "a proton gradient is used to reduce NADP"?
400
This enzyme is responsible for CO2 fixation in the Calvin cycle?
What is rubisco?
400
An Absorption Spectrum for a photosynthetic pigment measures this
What is the amount of light absorbed at different wavelengths?
400
This is the term for the production of ATP during the light reactions.
What is photophosphorylation?
500
During cyclic phosphorylation, the electrons lost by PS I are replaced by these.
What are the electrons from PS I ?
500
This photosystem is involved in cyclic phosphorylation and produces ATP
What is Photosystem I?
500
It takes this many ATPs and NADPHs to make one 6C sugar molecule
What are 18 ATPs and 12 NADPHs?
500
An action spectrum measures this.
What is the amount of photosynthesis being done at various wavelengths of light?
500
Of the following, only this one is involved in chemiosmosis: a. a proton gradient b. diffusion of electrons through the thylakoid membrane c. oxidation of water to produce ATP d. diffusion of water from the stroma into the thylakoid space
What is "a proton gradient"?
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