which one requires a net energy input in order to complete?

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which one requires a net energy input in order to complete?

a. converting ATP to ADP
b. respiration
c. photosynthesis

2007-07-22 10:44:21 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

3 answers

Photosynthesis requires energy input to get started and complete, it gets it from the sun

2007-07-26 05:18:06 · answer #1 · answered by fred l 3 · 0⤊ 0⤋

atp to adp is releasing energy by the removal of a phosphate group.

respiration is also releasing stored energy.

photosynthesis is storing light energy (energy input) into a molecule for later use.

2007-07-22 13:19:27 · answer #2 · answered by rasilaverie 1 · 0⤊ 0⤋

Photosynthesis is endothermic.

2007-07-22 11:20:03 · answer #3 · answered by Gervald F 7 · 0⤊ 0⤋