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6 Cards in this Set

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  • Back
What are the disks that make up grana?
Thylakoids.
Where do the two stages of photosynthesis occur?
Light-dependent reactions take place at the thylakoid membrane system, light-independent reactions occur in the stroma.
Define pigments?
Different molecules that absorb wavelengths of light.
Under what condition will a pigment absorb photons?
The energy of the photons must match the amount of energy required to boost an electron to a higher energy level.
Name 4 pigments contained by photoautotrophs, and the color light they absorb.
Chlorophylls -- blue-violet and red Carotenoids -- blue-violet and blue-green that chlorophylls miss
Anthocyanins and phycobilins -- light other than red and blue.
The thylakoid membrane system of chloroplasts has pigments organized in clusters called_____?
Photosystems.