Photosynthesis - photosystems, light reactions and dark reactions

Created March 2020, Offline version here
Video by Mr. J, also on his Youtube Channel.



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1. This type of chemical reaction involves splitting a water molecule (H2O) and producing the O2 given off by a plant.
2. This type of electron flow produces only ATP.
3. The process of using water, light, and carbon dioxide to produce sugars and oxygen.
4. A specialized layer in a leaf cell, containing many chloroplasts.
5. The pigment responsible for absorbing light, which reflects green light wavelengths. Comes in “a” and “b” types.
6. These types of organisms can manufacture their own food supply.
7. This type of electron flow produces both ATP and NADPH .
8. Stacks of these are found inside of the chloroplast, and are the location of photosynthesis.
9. Light can have different colors, depending on the measurement of this property of its wave.
10. These pigments are secondary in photosynthesis and are mostly visible in the fall, since they do not absorb red or orange.
11. These types of organisms rely on other organisms for their food.
12. There are two of these, but they happen in the opposite order due to the time periods they were first discovered.
13. While many organisms can perform photosynthesis, most are classified as ______.
14. This is the area between grana (stacks of thylakoids).
15. ______bacteria are a type of bacteria that can perform photosynthesis.
16. This cycle happens after all of the light reactions and produces a 3-carbon sugar (G3P) as a product.
17. One of the products of photosystem II.
18. This element makes up the main component of sugar molecules.
19. ATP _____ is the enzyme responsible for making ATP, found in the chloroplast membrane.
20. The main product of photosystem I.