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11750718
Bio 110 Final: Chapter 8
Description
Biology Quiz on Bio 110 Final: Chapter 8, created by Christina Marshall on 13/12/2017.
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biology
Quiz by
Christina Marshall
, updated more than 1 year ago
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Created by
Christina Marshall
over 6 years ago
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Resource summary
Question 1
Question
The water necessary for photosynthesis
Answer
is split into H2 and O2
is directly involved in the synthesis of carbohydrates
provides the electrons to replace the lost electrons in photosystem II
Provides the H+ needed to synthesize G3P
does none of the above
Question 2
Question
In PSII, p680 differs from the other pigment molecules in the light-harvesting complex in that it
Answer
is a carotenoid
absorbs light energy and transfers that energy to other molecules with out the transfer of electrons
transfers an excited electron to the primary electron acceptor
does not transfer an excited electron to the primary electron acceptor
acts as an ATP synthase to produce ATP
Question 3
Question
The cyclic electron flow that occurs via photosystem I produces
Answer
NADPH
oxygen
ATP
all of the above
a and c only
Question 4
Question
During linear electron flow, the high-energy electron from p680
Answer
eventually moves to NADP+
becomes incorporated in water molecules
is pumped into the thylakoid space to drive ATP production
provides the energy necessary to split water molecules
falls back to the low-energy state in photosystem II
Question 5
Question
During the first phase of the Calvin Cycle, carbon dioxide is incorporated into ribulose biphosphate (RuBP) by
Answer
oxaloacetate
rubisco
RuBP
quinone
G3P
Question 6
Question
The NADPH produced during the light reactions is necessary for
Answer
the carbon fixation phase, which incorporates carbon dioxide into an organic molecule of the Calvin Cycle
the reduction phase, which produces carbohydrates in the calvin cycle
the regeneration of RuBP of the Calvin Cycle
all of the above
a and b only
Question 7
Question
The majority of the G3P produced during the reduction and carbohydrate production phase is used to produce
Answer
glucose
ATP
RuBP to continue the cycle
Rubisco
all of the above
Question 8
Question
Photorespiration
Answer
is the process where plant use sunlight to make ATP
is an inefficient way plants can produce organic molecules and in the process use O2 and release CO2
is a process that plants use to convert light energy to NADPH
occurs in the thylakoid lumen
is the normal process of carbohydrate production in cool, moist environments.
Question 9
Question
Photorespiration is avoided in C4 plants because
Answer
these plants separate the formation of a four-carbon molecule from the rest of the Calvin cycle in different cells.
these plants carry out only anaerobic respiration.
the enzyme PEP caroboxylase functions to maintain high CO2 concentrations in the bundle-sheath cells
all of the above
a and c only
Question 10
Question
Plants commonly found in hot and dry environments that carry out carbon fixation at night are
Answer
oak trees
C3 plants
CAM plants
all of the above
a and b only
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