What is the chloroplast

What is the chloroplast

The chloroplast is an organelle that we can only find in the cytoplasm of plant cells . We commonly recognize the chloroplast as a disc-shaped organelle. However, they do not have a specific shape, quantity or position .

For example, Spirogyra algae have a single spiral-shaped chloroplast, however, there are other shapes such as elliptical or biconvex. The size of the chloroplasts can vary between 5 to 10 mm in diameter and 2 to 4 mm in thickness. Therefore, to visualize a chloroplast we will need to use an optical microscope to help us amplify the image of a plant cell. Regarding the number of chloroplasts, in all those cells that carry out photosynthesis it is between 40 to 200 chloroplasts per cell.

On the other hand, chloroplasts will have DNA with genes that code for proteins . This is very important, since the proteins are going to be in charge of carrying out the functions in the chloroplasts. An interesting fact about chloroplast genes is inheritance from parents to children, because like mitochondria, genetic transmission occurs from a single parent to the child.

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