Ch 4 Test
organic molecule broken down as a source of energy
carbohydrate
reaction that captures energy from sunlight and transfers energy to the light independent reactions
light dependent reactioin
Which term is the part of photosynthesis when light energy is used to make sugars like glucose
light independent
describes reactions that do not require light
light independent
organelle that converts food into usable energy
mitochondria
light dependent reactions produce this gas that we breathe
oxygen
two groups of molecules in the thylakoid membrane that capture and transfer energy
photosystem
Where do light independent reactions occur in the chloroplast
stroma
what is the product of light dependent reactions
sugar
coin shaped compartment that contains light absorbing molecules
thylakoid
For light independent reactions to occur, what two things are needed
CO2 and ATP
Which of the following molecules founds in the food we eat is most commonly broken down to make ATP?
Carbohydrates
Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of:
Sunlight
Whats the formula
6CO2+6H20=C6H206+602
Which of the following directly provides the energy needed for cell functions?
A phosphate group is removed from ATP
lower energy molecule with 2 phosphates
ADP
Hi-energy molecule with 3 phosphates
ATP
What molecule carries chemical energy that cells use for their functions?
ATP
a series of chemical reactions that produces sugars from carbon dioxide
calvin cycle
A reactant of photosynthesis
carbon dioxide
use of chemicals as an energy source
chemosynthesis
light absorbing molecule in thylakoid
chlorophyll
what molecule absorbs sunlight for photosynthesis
chlorophyll
which two terms are things that are found in the chloroplast
chlorophyll and thylakoid
where in the plant cell does photosynthesis take place
chloroplast
a series of proteins in the thylakoid membrane that transfers high energy electrons
electron transport chain
Decreases activation energy for reactions
enzyme
Which term is part of photosynthesis when light energy is captured and transferred to a molecule, such as ATP
light dependent
describes reactions that require light
light dependent
Where do light dependent reactions occur in the chloroplast
thylakoids
For light dependent reactions to occur, what two things are needed?
water and sunlight