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Title: Photosynthesis: Using Light to Make Food
Description: This chapter is all about the structures and processes involved in the production of chemical energy.
Description: This chapter is all about the structures and processes involved in the production of chemical energy.
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6CO
2
+ 6H + light → C
2
O
62 6
H O + 6O
2
Goal: to convert light energy into chemical energy in the ? of sugars
I
...
an important light absorbing pigment in chloroplasts
...
is responsible for the green color of plants, and
3
...
II
...
Sunlight contains energy called electromagnetic energy or radiation
a) visible light is only a small part of the electromagnetic spectrum
...
d) the shorter the wavelength, the higher the energy
e) ROYGBIV
C
...
1
...
the shorter the wavelength, the greater the energy
...
Chloroplasts are concentrated in the cells of the mesophyll, the green tissue in the
interior of the leaf
...
stomata are tiny pores in the leaf that allow
a) carbon dioxide to enter and
b) oxygen to exit
2
...
IV
...
A protein complex used to capture light energy
V
...
1
...
Light Dependent Reactions
A
...
goal: to capture light energy and turn NADP+ into NADPH and ADP into ATP
Light Independent Reactions
A
...
goal: to CO
into sugars
2
C
...
products: ADP + P,
NADP+,
G3P (glyceraldehyde 3phosphate
E
...
Carbon Fixation
2
...
Release of one molecule of G3P
4
...
Some plants are called C
plants are because the first product of carbon fixation
3
is a three carbon compound, 3PGA
...
C
plants close their stomata to reduce water loss
...
this prevents CO
from entering the leaf and O
from leaving
...
VII
...
2
2
c) But unlike cellular respiration, it uses ATP instead of producing it
G
...
C
plants are so named because they first fix Co
into a four carbon
4
2
compound
a) when the weather is hot and dry, C
plants keep their stomata
4
mostly closed, thus conserving water
...
A
...
1
...
Title: Photosynthesis: Using Light to Make Food
Description: This chapter is all about the structures and processes involved in the production of chemical energy.
Description: This chapter is all about the structures and processes involved in the production of chemical energy.