pls answer my question good helper people b/c tomorrow (oct. 26, 2007) is my quiz day and idk what is the answer so pls help me understand this pls. thnx and plus i need to ask another bout the question again, How does the role of chlorophyll compare with the roles of CO2 and H2O? thnx
2007-10-25 15:11:14 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Biology
Chlorophyll is neither reactant nor product. It is a catalyst, unlike CO2 and H2O.
2007-10-25 15:18:53 · answer #1 · answered by Anonymous · 1⤊ 2⤋
Reactants are molecules that are used - raw materials. The reactants for photosynthesis are water and carbon dioxide.
Products are the molecules that are produced. The products of photosynthesis are oxygen and glucose.
Chlorophyll is necessary for photosynthesis because it is the "light energy catcher", but the chlorphyll is the same at the end of photosynthesis as it was in the beginning. Yes, it gives up electrons and passes them along the electron transport chain, but these electrons are replaced when the water molecules are broken.
When I make a cake, I use ingredients and I end up with a cake. Those are the reactants and the product. I also need a pan and an oven, but I didn't make a cake out of those.
So chlorophyll is neither reactant nor product, though chlorophyll is needed for photosynthesis to happen.
2007-10-25 15:49:15 · answer #2 · answered by ecolink 7 · 2⤊ 0⤋
think about what chlorophyll does. what happens when it absorbs light? an electron is excited and is ejected. so i would say it is a reactant, because it gives off an electron. H2O gives up its electrons to replace the missing electrons in chlorophyll and CO2 gives up its carbons to make carbohydrates
2007-10-25 15:16:47 · answer #3 · answered by Anonymous · 1⤊ 2⤋
chlorophyll would be the reactant, with the sun they create the product in the leaf which is the sugars and sucrose
i would believe that the SUN is the catalyst, meaning something that starts a reaction without being affected, since without the sun, there is no reaction.
2007-10-25 15:13:37 · answer #4 · answered by Anonymous · 1⤊ 4⤋
a reactant .chlorophyll takes co2 out of the atmosphere and makes oxygen out of it
2007-10-25 15:16:12 · answer #5 · answered by mariaculpepper 1 · 0⤊ 2⤋
It acts more like a catalyst - driving the changes but not being changed.
2007-10-25 15:13:51 · answer #6 · answered by Mike1942f 7 · 1⤊ 0⤋