5296349
Photosynthesis
upm
- General
- Chloroplast structure and thylakoid membrane
- Pigment molecules absorb light
- Pigments absorb
only specific
wavelengths of
visible light, while
reflecting others
- Chlorophyll
- Chlorophyll a
- All photosynthetic
plants, algae and
cyanobacteria
contain it
- All photosynthetic
plants, algae and
cyanobacteria
contain it
- Chlorophyll b
- Only plants
,green algae and
some unusual
types of
cyanobacteria
contain it
- Only plants
,green algae and
some unusual
types of
cyanobacteria
contain it
- Hydrophobic tail
inserts into
thylakoid
membrane
- Porphyrin
head(surrounding
a magnesium ion)
that absorbs light
- Chlorophyll a
- Accessory pigments
- beta-carotene
- Absorbs violet,
blue-green light;
reflects yellow,orange
- Important to dissipate
excess solar energy as
heat(photoprotection)
- Absorbs violet,
blue-green light;
reflects yellow,orange
- Phycobilins
- water-soluble,
found in
cytoplasm or
stroma of
chloroplast
- Phycocyanin
- bluish pigment,
cyanobacteria
- bluish pigment,
cyanobacteria
- Phycoerythrin
- reddish pigment,
red algae
- reddish pigment,
red algae
- Soak up light
energy, use as
chemical tags
- water-soluble,
found in
cytoplasm or
stroma of
chloroplast
- beta-carotene
- Pigments absorb
only specific
wavelengths of
visible light, while
reflecting others
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