Terms in this set (36)
The light reaction of photosynthesis does not include
the final product of the calvin cycle is
photosynthesis takes place in the membranes of small sacs called
the dark reaction in photosynthesis is limited by
CO2, temperature, and light
colors of light most useful in photosynthesis are
red, violet, and blue
during what stage of photosynthesis is O2 produced?
the light-dependent reactions involving photosystems I and II
the pigment molecules responsible for photosynthesis are located in the
thylakoid membrane of the chloroplast
both carotenoids and chlorophyll
which of the following is the correct sequence for the movement of electrons during the light-dependent reactions of plants?
during what stage of photosynthesis are ATP adn NADPH converted to ADP + Pi and NADP+
the light- independent reactions
water vapor exits and CO2 enters a leaf through the
which of the following organisms have the greatest problem with photorespiration
what energy-rich organic compound is produced as a result of the Calvin cycle
high energy photons
have short wavelengths
During photosynthesis, photons raise electrons to higher energy levels. these excited electrons belong to what compound?
which of the following occurs during the light dependent reactions of plants?
electron transport, chemiosmosis, and splitting of water
the oxygen that is released as O2 during photosynthesis came from ________________
the earliest photosynthesizers probably used what as a source of hydrogen?
how many carbon atoms are in a molecule of RuBP
which of the following is mismatched
CAM plants- open their stomata during the day and close them at night to avoid photorespiration
which of the following statements about photosynthesis is true
the light-dependent reactions produce the energy-rich compounds that are used to run the light independent reactions
the primary form of sugar transported from the site of photosynthesis to the rest of the plant is"
which of the following statements accurately describes the relationships between photosynthesis and cellular respiration
photosynthesis uses solar energy to convert inorganic to energy-rich organics; respiration breaks down energy-rich organics to synthesize ATP
what pigment is used in human vision
production of one molecule of 3-phosphoglyceraldehyde requires how many turns of the calvin cycle
to reduce six molecules of carbon dioxide to glucose via photosynthesis, how many molecules of NADHP and ATP are required
12 NADPH and 18 ATP
catalyzes the carboxylation of CO2 to ribulose1, 5-bisphosphate, initiates photorespiration when the CO2/O2 ratio is low
the immediate products of C3 and C4 photosynthesis are, respectfully
3 phosphoglycerate; oxaloacetic acid
Light driven electron transport in the chloroplast pumps H+ into the inter-membrane space between the outer and inner membranes
CO2 fixation occurs within the stroma
if you know the absorption spectrum of a pigment, you can predict the pigments color
for every CO2 molecule fixed by photosynthesis, one molecule of O2 is produced
light is required for the light dependent reactions because
it energizes electrons in the reaction center
you have just discovered a new flower species that has a unique photosynthetic pigment. The leaves of this plant appear to be reddish yellow. what wavelengths of visible light are not being absorbed by this pigment
red red and yellow
in plant cells, ATP is made in response to light. An electron transport chain is involved. This electron transport chain is found in the:
thylakoid membranes of chloroplast
on which of the following features do plant and animal cells differ
primary energy source
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