In glycolysis and the tca cycle, glucose is down to co2; this process lots of atp and reducing power. in photosynthesis, co2 is back to sugar by the of lots of atp and reducing power.
a) reduced; requires; oxidized; production
b) oxidized; requires; reduced; production
c) oxidized; produces; reduced; input
d) reduced; produced; oxidized; input

C) oxidized; produces; reduced; input

Explanation:

Glycolysis and TCA cycle are the first two stages of cellular respiration. Glycolysis breaks down glucose into pyruvate which then enters the TCA cycle in the form of acetyl CoA and is completely oxidized into CO2 and H2O.

Both glycolysis and the TCA cycle produce a few ATPs and a large number of reducing powers (NADH and FADH2). The oxidation of reducing powers during oxidative phosphorylation drives the synthesis of a large number of ATP.

Photosynthesis is the process wherein CO2 is reduced into glucose. The process includes light-dependent synthesis of ATP and NADPH which in turn are used during the Calvin cycle to produce glucose from CO2.

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because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle