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by chocolatchaud
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Cell Biology

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There are many things located in the Chloroplast such as thylakoids; flattened interconnected sacs that are stacked, where light reactions take place. Each of these stacks are called granums and each ot the sacs are lumens. The fluid outside of thylakoids is called the stroma, which contains various enzymes, ribosomes, and DNA. Chloroplast also contains an internal system of memmbranous sacs and green pigmented cholophyll. Thus, concluding that chloroplast is divided into three compartments: intermembrane space, the stroma, and thylakoid space.

Elysia chloroticaThere has been a recent study about a sea slug named Elysia Chlorotica. There is evidence that this green sea slug's chromosomes posses genes that allows it to photosynesize up to nine months; producing carbohydrates and lipids that nourish the slug. This is due to the algae, V. litorea. When consumded, E. chlorotia "steals" chloroplast and embeds them into their own disgestive cells. Therefore, they are able to maintain these photosynthesizing organelles and "feed" on sunlight.

What and where in the world is Chloroplast?Chloroplast is part of eukarotytic plant cells. It is considered lens-shaped and is approximately 3-6 nanometers big. Chloroplast is a photosyntheic organelle that converts solar energy into chemical energy by absorbing sunlight. Thus, using it to drive the synthesis of organic compounds such as sugars from carbon dioxide to water. Chloroplast is located in plants/algae and is found mainly in the cells of the mesophyll; the tissue in the interior of the leaf.

Mircoscophic image

What happenens in the Chloroplast? ATP synthase and the calvin cycle occur in the chloroplast. The two chemical products that come out these processes are glucose and oxygen.

A model of Cholorplast

ChloroplastPhotosyntheic Organelle

Watch this video to learn more about photosynthesis and even more cool things!

A sea slug that photosynthesizes like a plant. Science Scope [serial online]. April 2015;38(8):10. Available from: Science Reference Center, Ipswich, MA. Accessed November 1, 2015.Reece, J. B., & Campbell, N. A. (2011). Campbell biology. Boston: Benjamin Cummings / Pearson. -Bozeman Science Tour of the Cell -Bozeman Science Photosynthesis

What's inside of the Chloroplast?


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