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Carbon dioxide respiration chlorophyll a 1 st law thermodynamics Water oxidation

ID: 56697 • Letter: C

Question

Carbon dioxide                                     respiration                            chlorophyll a                        1st law thermodynamics

Water                                       oxidation                                chlorophyll b                        2nd law thermodynamics

Oxygen                                     reduction                               carotenoids                          ATP

Sugar                                         electromagnetic spectrum          photosystem     ADP

Light                                           red                                              Calvin cycle                           endergonic

Enzymes                                  green                                         thylakoid membranes   exergonic

Photosynthesis                                    blue                                            stroma                                     energy of activation

Active site                              allosteric site                      NADP                                         NADPH

_______________________ This region of the spectrum is absorbed by chlorophyll.

_______________________   In photosynthesis, this compound is reduced.

_______________________ Carbon fixation occurs in the _________.

_______________________   A place on an enzyme where the substrate(s) bind.

_______________________ In this type of chemical reaction, energy is released.

________________________ The pigment found in the reaction center.

________________________ Which law of thermodynamics says that energy cannot be created or destroyed?

________________________ The gain of electrons is ________________.

________________________ During the light reactions, the flow of electrons through the thylakoid membranes causes the formation of __________________.

_______________________ A co-enzyme that has picked up an electron.

(2 pts) List three ways an enzyme drives (makes possible) a chemical reaction:

Explanation / Answer

1. Red and blue is the region of spectrum absorbed by visible light

2. NADP is the reduced during photosynthesis

3. Thylakoid membranes

4. Active site

5. Exergonic reaction releases energy

6. Chlorophyll a - is the pigment in the reaction center

7. The first law of thermodynamics

8. Reduction - is gain of electrons

9. ATP

10. NADPH is the coenzyme that picked electron

11. An enzyme reduces energy of activation, energy coupling (use an exergonic process to drive an endergonic process)