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Photosynthesis Full Flashcards | StudBud
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Photosynthesis Full
Photosynthesis Full
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Flashcards
37 cards
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Practice quiz
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Questions
37
Answers
1
Corn and sugarcane are examples of C4 plants
False
True
2
Electrons are transferred to NADP+ reductase using ferredoxin.
False
True
3
Which of these best describes a plant?
Photoautotroph
Heterotroph
Herbivore
Chemoautotroph
4
Chlorophyll b is always at the centre of the antenna complex.
True
False
5
For every 2 electrons passed, how many NADPH are produced?
4
2
3
1
6
The purpose of the C4 method is to keep rubisco from oxygen to prevent photorespiration
False
True
7
What percentage of plants use the C3 method?
90%
85%
50%
75%
8
What is the strongest oxidizer known to biology?
P680
P700
P700+
P680+
9
What is the location of the light independent reactions?
Stroma
Mitochondria
Lumen
Inner membrane
10
The C3 method of carbon fixation takes place in the bundle sheath cells
True
False
11
What is the most important enzyme to exist?
P680*
Rubisco
P700*
Lipase
12
As a result of NADP+ reductase, proton concentration increases in the stroma
False
True
13
How many photons of light are absorbed from the electrons of 2 water molecules?
4
16
2
8
14
What is the complex responsible for splitting the water molecule?
Photosystem II
Water dehydrogenase
Water splitting complex
Water hydrolyzer
15
Which of the following is the equation for photosynthesis?
CO2 + H2O --> C6H12O6 + O2
6CO2 + 6H2O --> C6H12O6 + 6O2
CO2 --> C6H12O6 + O2 +H20
CO2 + H2O --> C6H12O6
16
It takes 3 CO2 molecules to make 1 G3P molecule.
False
True
17
What is the name of the structure that controls gas exchange in plants?
Leaf liner
Bundle sheath cells
Mesophyll Cells
Stomata
18
Oxaloacetate is reduced by NADPH to form what molecule?
Pyruvate
PEP carboxylase
CO2
Malate
19
When there is not enough CO2 present during the C3 cycle, RuBP will bind to oxygen, in a process called
Photosynthesis
Photorespiration
RuBP-O2 complex
Cellular respiration
20
What are the products of the light dependent reactions?
ATP and NADP+
ATP and NADPH
ATP and NADH
ATP and FADH2
21
The production of oxaloacetate from PEP is catalyzed by:
PEP carboxylase
Rubisco
PEP oxidase
PEP carboxolayseoxidase
22
CAM plants spatially separate RuBP from oxygen.
True
False
23
Transpiration is the process of water being lost when the stomata of a plant opens up.
False
True
24
Plants are the only organism that complete photosynthesis.
True
False
25
Chloroplasts are formed from 3 membranes.
False
True
26
Where is chlorophyll a located?
Photosystem II
Cytochrome Complex
Photosystem I
Both Photosystem I and Photosystem II
27
Where is the antenna complex located in the electron transport chain?
Ferredoxin
Photosystem I and II
Cytochrome Complex
PQ
28
Which is the most efficient method of carbon fixation?
None of the above
CAM
C3
C4
29
How many G3P molecules does it take to make a glucose?
3
2
1
6
30
How many photons of light are required for ONE water molecule?
8 photons
4 photons
12 photons
2 photons
31
How many ATP are needed to produce 1 glucose molecule?
12 ATP
6 ATP
9 ATP
18 ATP
32
If each turn of the cycle requires 3 ATP & 2 NADPH, how many turns of the cycle will get the needed 18 ATP & 12 NADPH
8
6
4
1
33
Where is NADP+ reductase located?
The lumen
Lumen side of the membrane
Inner membrane
Stroma side of the membrane
34
How many G3P molecules are used to make RuBP
5
3
6
1
35
What is structure 4?
Stroma
Outer membrane
Inner membrane
Thylakoid
36
How many NADPH are needed to produce 1 glucose molecule?
9 NADPH
12 NADPH
6 NADPH
18 NADPH
37
Chlorophyll a becomes reduced and transfers the excited electron to the primary acceptor.
False
True
