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Question 1
Question
What is needed in photosynthesis to convert carbon dioxide into organic molecules?
Answer
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Light and hydrogen from the splitting of water
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ATP and hydrogen from the splitting of water
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ATP and oxygen from the splitting of water
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Light and oxygen from the splitting of water
Question 2
Question
How is the proton gradient generated in chloroplasts during photosynthesis?
Answer
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Flow of electrons from carrier to carrier in the thylakoid membrane causes pumping of proteins across the thylakoid membrane.
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Light causes protons to flow through protein channels in the thylakoid membrane
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Light splits water molecules in the stroma, causing the release of protons
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Protons are pumped across the thylakoid membrane using energy from ATP
Question 3
Question
The energy lost from electrons during the electron transport chain drives which of the following processes?
Answer
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regeneration of RuBP
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carbon fixation
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chemiosmosis
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photolysis
Question 4
Question
Which of the following statements describes a relationship between photosystem 2 and photosystem 1?
Answer
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Photosystem 2 produces ATP and NADPH that are used by photosystem 1
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Photosystem 1 produces ATP and NADPH that are used by photosystem 2
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The de-energized electron from photosystem 1 fills the void left by the newly energized electron from photosystem 2
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The de-energized electron from photosystem 2 fills the void left by the newly energized electron from photosystem 1
Question 5
Question
This is the enzyme that catalyzes the transfer of the electron from the ferredoxin (last electron carrier) in the electron transport chain.
Answer
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ATP synthase
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NADP reductase
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RuBP Catalase (rubisco)
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glycerate-3-phosphate
Question 6
Question
Which of the following identifies the two final products of the light dependent reaction?
Answer
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cytochrome complex and ferrodoxin
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plastoquinone and ferrodoxin
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NADPH and ATP
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NADP+ and ADP
Question 7
Question
Which of the following is an alternative way to synthesize ATP using energy transferred between photosystems 1 & 2?
Answer
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photolysis
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non-cyclic photophosphorylation
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cyclic photophosphorylation
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action spectrum
Question 8
Question
Complete the sequence describing the reactions in the Calvin Cycle
[blank_start]RuBP[blank_end] binds to a [blank_start]CO2[blank_end] molecule --> An [blank_start]unstable[blank_end] [blank_start]6[blank_end]-C compound breaks down into [blank_start]two glycerate-3-phosphates[blank_end] --> The [blank_start]glycerate-3-phosphates[blank_end] react with [blank_start]ATP & NADPH[blank_end] to form [blank_start]two triose phosphates[blank_end] --> [blank_start]Two triose phosphates[blank_end] go out of the Calvin Cycle and synthesize [blank_start]glucose[blank_end]
Answer
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CO2
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H2O
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O2
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6
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5
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ATP & NADPH
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ATP & NADP+
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ADP & NADPH
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ADP & NADP+
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glucose
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glycerate-3-phosphates
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two glycerate-3-phosphates
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two triose phosphates
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Two triose phosphates
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unstable
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stable
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RuBP
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