Chloroplast Tour Guide

Topics: Photosynthesis, Chloroplast, Carbon dioxide Pages: 2 (597 words) Published: November 13, 2012
Tour guide script!

Hello, my name is Seth and this is Mason. We will be your tour guides on this wonderful trip of the chloroplast
Once we pass the cell membrane we will see a couple little green nuggets, these are known as chloroplasts. It’s what makes these plants autotrophs or organisms that create their own energy. They have no specific location and are usually spread throughout the cell’s cytoplasm. Alright we are going to pass into this chloroplast here. Once we pass through the outer membrane there is going to be a space between the outer and inner membrane. After we pass through this we will be into the chloroplast.

Once inside the chloroplast we will stop by Grana Towers a great hotel complex, which will serve us with free desserts sweetened by the plants sugar itself, isn’t glucose great?! (After Meal at the Grana Towers) Let us proceed with the tour. Now if you look left you’ll see a huge stack of what looks like discs. This is a granum or a stack of thylakoids. Now look around and notice the natural lighting. All of this light comes from the sun and helps convert carbon dioxide and water into glucose and oxygen. Plants are made green from a pigment called chlorophyll, which absorbs sunlight. This granum absorbs the sunlight inside the chloroplast. And starts what is called the light reaction. Which from the name you could probably tell uses light to fuel the reaction. That’s photosynthesis!

As you can see here as we enter the granum. There is a light reaction now occurring. If you look closely to can see these little pigments, as I mentioned before, called chlorophyll. The energy from the sunlight allows water that is also absorbed to split creating oxygen, which is then released into to the atmosphere. This energy is also carried through a system of electrons creating an energy compound called NAPDH. But that’s not all; ATP which is the main energy storing compound in any plant cell is also produced during this part of...
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