Lecture 7 Flashcards
When a photon strikes a molecule, energy is __________ as heat and __________ by electrons.
Lost
Absorbed
True or false? Higher wavelength means higher energy.
False
Chlorophyll (a/b) converts light energy to chemical energy and is the main pigment.
A
Chlorophyll b is an __________ pigment.
Accessory
__________ can absorb photons with a wide range of energies.
Carotenoids
The wavelength of light is measured in __________.
Nanometers
The light reactions of photosynthesis __________ energy from __________.
Capture
Sunlight
A __________ is a collection of molecules located in the thylakoid membrane.
Photosystem
The photosystem has an __________ that collects light energy into the reaction center.
Antenna complex
In the __________ of a photosystem, the antenna transfers energy from photons to chlorophyll.
Reaction center
Light-energized electrons __________ a primary electron acceptor in the reaction center.
Reduce
Oxidized __________ is reduced by oxidizing a donor molecule (H_2O) in the reaction center.
Chlorophyll
Finally in the reaction center, the electron is transferred to __________.
NADP
The light reactions in photosynthesis make __________ and __________.
ATP
NADPH