5 Photosynthesis Flashcards
photosynthesis converts _____ energy into ______ energy
light into chemical
what is the main photosynthetic pigment?
chlorophyll
what inorganic ion produces chlorophyll?
magnesium
what is photolysis?
breakdown of water into H+,O and e- to replace excited e- in photosystem II
what is chemiosmosis?
movement of H+ from high to concentration, it is used to produce ATP
what is phosphorylation?
the addition of phosphate to a molecule
in which organelle does photosynthesis take place in?
chloroplast
what deficiency results in a lack of chlorophyl?
magnesium
what is the equation for photosynthesis?
6CO2 + 6H2O → C6H12O6 + 6O2
what are the 8 components fo a chloroplast?
- outer membrane
- inner membrane
- stroma
- thylakoids
- lumen
- granum
- lamela
- starch granule
where does the light-dependent reaction take place?
thylakoid membrane inside a chloroplast
where does the light-independent reaction take place?
stroma
what enzyme is used to convert ADP into ATP?
ATPsynthase
light energy and water go into the light-dependent reaction to make NADPH, compound x and gas y which are?
x= ATP
y= O2
T or F: light is needed for all aspects of photosynthesis
False
T or F: the electron acceptor in plants id NAD+
False
T or F: light energy raises the electrons in chlorophyll from their ground state to an excited state
True
T or F: the light-dependent reaction releases ATP
True
T or F: the oxygen released during photosynthesis comes from CO2
False
T or F: in photosystem II the electrons released by chlorophyll are replaced by electrons from water
True
T or F: the two photosystems are located in the thylakoid membrane
True
T or F: the thylakoid lumen becomes alkali during chemiosmosis
False
the light-independent reaction uses the products ____ and____ from LDR
ATP and NADPH
LIR is also known as the ______
Calvin cycle
