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Which of the following is used by cells to store and release the energy needed to power cellular processes?
NADP+
DNA
RNA
ATP
Plants use the green pigment chlorophyll to __________________.
change light energy to heat energy
reflect sunlight
absorb sunlight
store sunlight
High-energy electrons are transported from chlorophyll to other molecules in the chloroplast by _______________________.
the thylakoid membranes
the protein ATP synthase
electron carriers such as NADP+
pigments such as carotene
The clusters of chlorophyll and proteins that absorb sunlight and generate high-energy electrons in the chloroplasts are called ______________________.
photosystems
transport chains
synthase proteins
carrier proteins
The light-independent reactions of photosynthesis are also known as the ___________________.
carbon cycle
ATP cycle
sugar cycle
Calvin cycle
The light-dependent reactions of photosynthesis occurs in the _____________ of the chloroplast.
all of the above
cytoplasm
stroma
thylakoid membranes
One of the products of photosynthesis is _______________.
carbon dioxide
light energy
water
oxygen
_______________ are organisms that make their own food.
Autotrophs
Omnivores
Heterotrophs
Herbivores
Which of the following organisms would be an example of a photosynthetic organism?
amoeba
E. Coli
Crab grass
tigers
Which of the following would be a reactant in the overall equation of photosynthesis?
all of the above
Glucose
Water
Oxygen
In order for the Calvin cycle to occur, ______________________ needs to be present.
ATP
Both ATP & NADPH
Water
NADPH
A chloroplast contains thylakoid stacks, called ___________, that are surrounded by fluid-filled __________.
chloroplasts, cytoplasm
none of these
stroma, grana
grana, stroma
The role of ___________ is to provide matter for making _________ which is the main output for photosynthesis.
oxygen, water
carbon dioxide, sugar
carbon dioxide, water
oxygen, sugar
In the diagram, an arrow leads from the splitting of water, to the two photosystems, and then to NADP+. What process is represented by this arrow?
the conversion of electrons into sunlight
the movement of electrons along the electron transport chain
the cycling of light energy within the photosystems
the formation of high-energy sugars
Which of the following organisms would undergo photosynthesis?
tulip
sunflower
pea plant
all of these
Which of the following gets "fixed" during photosynthesis?
Oxygen
Carbon
Glucose
Hydrogen
