Factors Affecting the Rate of Photosynthesis (VCE SSCE Biology): Flashcards

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Factors Affecting the Rate of Photosynthesis
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Limiting factor

Factor preventing rate of reaction from increasing

Saturation point

Point where substance can't receive more of another

Best light wavelengths for photosynthesis

Violet or red light

Optimal temperature

Temp at which enzyme has maximum function

Denaturation

Disruption of molecule's structure by external factor

Stomata

Small pores on leaf surface regulating gas exchange

Photorespiration

Wasteful process in plants initiated by Rubisco

Rubisco's affinity

Binds both CO2CO_2 (photosynthesis) & O2O_2 (photorespiration)

Competitive inhibitor

Molecule blocking enzyme's active site

Non-competitive inhibitor

Molecule binding allosteric site, changing active site shape

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