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11750718
Bio 110 Final: Chapter 8
Descripción
Biology Test sobre Bio 110 Final: Chapter 8, creado por Christina Marshall el 13/12/2017.
Sin etiquetas
biology
Test por
Christina Marshall
, actualizado hace más de 1 año
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Creado por
Christina Marshall
hace más de 6 años
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Resumen del Recurso
Pregunta 1
Pregunta
The water necessary for photosynthesis
Respuesta
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
Pregunta 2
Pregunta
In PSII, p680 differs from the other pigment molecules in the light-harvesting complex in that it
Respuesta
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
Pregunta 3
Pregunta
The cyclic electron flow that occurs via photosystem I produces
Respuesta
NADPH
oxygen
ATP
all of the above
a and c only
Pregunta 4
Pregunta
During linear electron flow, the high-energy electron from p680
Respuesta
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
Pregunta 5
Pregunta
During the first phase of the Calvin Cycle, carbon dioxide is incorporated into ribulose biphosphate (RuBP) by
Respuesta
oxaloacetate
rubisco
RuBP
quinone
G3P
Pregunta 6
Pregunta
The NADPH produced during the light reactions is necessary for
Respuesta
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
Pregunta 7
Pregunta
The majority of the G3P produced during the reduction and carbohydrate production phase is used to produce
Respuesta
glucose
ATP
RuBP to continue the cycle
Rubisco
all of the above
Pregunta 8
Pregunta
Photorespiration
Respuesta
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.
Pregunta 9
Pregunta
Photorespiration is avoided in C4 plants because
Respuesta
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
Pregunta 10
Pregunta
Plants commonly found in hot and dry environments that carry out carbon fixation at night are
Respuesta
oak trees
C3 plants
CAM plants
all of the above
a and b only
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