Photosynthesis

3. the most abundant light-absorbing pigment
5. chemical reactions and processes occurring at the cellular level
6. this gas was not present in Earth's early atmosphere, but is essential to life
7. the viscous fluid inside of the chloroplast
9. metabolic reactions that allow autotrophs to harness the sun's energy
10. the interior of a thylakoid
12. pores in leaves that allow for gas exchange
13. facilitates a chemical reaction, but is not one of the reactants
14. common nickname for ribulose 1,5-bisphosphate carboxylase/oxygenase
15. a reaction where energy is consumed
18. biological catalyst

1. a reaction where energy is released
2. also known as PGAL and this is the 3-carbon product of photosynthesis
4. creates inefficiency during hot days when rubisco combines with oxygen rather than carbon dioxide
6. to lose an electron
8. flattened membrane sacks found within the chloroplast
11. ___________ pigments transfer absorbed energy to chlorophyll a
16. to gain an electron
17. _______ cycle - where carbon is fixed into complex molecules.