The light reactions of photosynthesis supply the Calvin cycle with
Light energy
CO2 and ATP
H2O and NADPH
ATP and NADPH
Which of the following sequnes correctly represents the flow of electrons during photosynthesis?
NADPH -> O2-> CO2
H2O-> NADPH-> Calvin Cycle
NADPH -> Chlorophyll-> Calvin Cycle
NADPH-> Electron Transport Chain-> O2
Which of the following does NOT occur during the Calvin cycle?
Carbon is transformed into a 3-carbon molecule to make sugar
NADPH is transformed into NADP+
Release of oxygen
ATP is consumed to make ADP
Which of the following directly provides the energy needed for cell funcitons?
A phosphate group is removed from ATP
ADP loses a phosphate group
Electrons are passed to proteins
Oxygen picks up electrons
Where in plant cells are the energy-absorbing molecules for photosynthesis located?
stroma
thylakoids
ATP synthase
Mitochondria
Organisms, such as _________ that make their own food are called ________________.
Cactus, autotrophs
humans, heterotrophs
thylakoids, autotrophs
pigments, heterotrophs
Plants gather the sun's energy with light absorbing molecules called
pigments
chlorophlast
glucose
Thew stroma is the szpace that surrounds the
chloroplasts
plant cells
all of these
Where do light-dependent reactions take place?
in the stroma
outside the chloroplasts
on the thylakoids
only in chlorophyll molecules
The Calvin cycle takes place in the
granum
thylakoid membrane
chlorophyll molecules
What are the products of the Calvin cycle?
oxygen gas
ATP
Glucose
Light
During photosynthesis, the thylakoid space becomes
enriched with ATP
rich with H+
positively charged
both B and C
What happens during photosynthesis?
Hetertrophs consuime ATP
Heterotrophs produce ATP
Autotrophs consume carbohydrates
Autotrophs produce carbohydrates
Where are photosystems I and II found?
In the stroma
In the thylakoid membrane
In the Calvin cycle
In the cell membrane
The flow of what particles across the thlakoid membrane powers the production of ATP?
electrons or e-
hydrogen ions or H+
oxygen or O2
Carbon dioxide or CO2
The oxygen originally released in photosynthesis originally came from
water
carbon dioxide
Ribulose biphosphate
In Photosystem II of photosynthesis, from what does the photosystem steal an electron?
Carbon Dioxide
Water
Oxygen
The second part of photosynthesis uses ATP and high energy electrons from NADPH to convert carbon dioxide into what?
Sugars
Waste products
Carbon dioxide
How is the H+ gradient produced in the thylakoid space?
H+ is pumped into the thylakoid space
H+ is produced when water is broken
None of the above
Both a and b
WHich of the following products of light reactions of photosynthesis are utilized in the Calvin cycle?
CO2 and glucose
H2O and O2
Electrons and H+
NADPH and ATP
