Chapter 5

19 terms by jwmaurer

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process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and glucose


an organism that makes its own food


an organism that cannot make its own food

Cellular respiration

Process that uses glucose to make energy, ATP


Light-absorbing molecule






A flattened membrane sac inside the chloroplast, used to convert light energy to chemical energy.

Electron transport chain

A series of molecules that excited electrons pass


electron carrier that provides high-energy electrons to power the third stage of photosynthesis

Carbon dioxide fixation

The transfer of the carbon found in carbon dioxide into sugar (glucose)

Calvin cycle

reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugar


With oxygen


Without oxygen


1st step in cellular respiration producing pyruvate, ATP and NADH


Electron carrier

Kreb's Cycle

2nd step in cellular respiration producing Carbon dioxide, ATP, NADH and FADH2


electron carrier


The 2nd step in cellular respiration when no oxygen is present, creates either lactate or ethanol & carbon dioxide

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