Photosynthesis Flashcards
Is the process by which green plants and autotrophic organisms synthesize food.
Photosynthesis
PHTSYNTHSS Is the combination of ___ with water to form carbohydrates
carbon dioxide
___ is the Source of building materials for photoautotrophs
Carbon dioxide
shows which wavelengths are most strongly absorbed by a pigment.
Absorption spectrum
Shows which wavelengths are most effective at powering a photochemical process.
Action Spectrum
300 molecules of ch a & b and carotenoids
Photosynthetic units
With little chl b P700
Photosystem I
With ch b almost equal to ch a
P680
Photosystem II
photosystem consists of the ff:
- Antenna chlorophyll molecules
- Reaction center (Ch a)
- Series of electrons carriers
reducing agent is ___
NADPH
3 things Light-dependent reaction (Photochemical Reaction) does
1.Produce the reducing agent NADPH
2.Synthesis of ATP
(chemiosmotic phosphorylation)
3. Breakdown of water into H+, O2
- One of the largest and most complex enzymes known
- A giant complex of two protein subunits
- Low substrate specificity
Rubisco - RuBP Carboxylase
RuBP Carboxylase has _ copies of large protein;
each with a molecular wt of ___
Total molecular weight og ___
8
14 K to 15 K daltons
480,000 daltons
Anabolic Metabolism
- Short-term storage:
- Intermediate-term storage:
- Long-term storage
ATP and NADPH
glucose and sucrose
starch and lipids
the anablic synthesis of
glucose
Gluconeogensis
