Photosynthesis Flashcards
(13 cards)
How are photosynthesis and respiration interrelated?
Photosynthesis makes glucose, respiration uses it.
What is the structure of a chloroplast?
Outer membrane, grana, thylakoid, stroma, DNA.
What is the role of photosynthetic pigments?
Absorb light energy.
What is a photosystem?
Protein-pigment complexes
What happens in the light-dependent stage of photosynthesis?
Light → ATP + NADPH.
What is the role of water in photosynthesis?
Splits to replace electrons and release O₂.
What is the Calvin cycle?
CO₂ fixed → TP.
What is the role of RuBisCO in the Calvin cycle?
Fixes CO₂ to RuBP.
What are the uses of triose phosphate (TP)?
Makes carbs, lipids, amino acids.
What factors affect photosynthesis?
Light, CO₂, temperature
What is the effect of light intensity on photosynthesis?
More light = more ATP.
What is the effect of CO₂ concentration on photosynthesis?
More CO₂ = more Calvin cycle activity.
What is the effect of temperature on photosynthesis?
Enzyme activity peaks at optimal temp
