Plant Cells

A cell is the basic building block of the body of any living thing, the same way a brick is of an apartment building. The quantity of the bricks and the way they are put together determine the shape and size of the structure.

Plant cells are quite different from animal cells, though there are also a few similarities. Like animal cells, plant cells too have a nucleus, endoplasmic reticulum, lysosomes, Golgi bodies and mitochondria and a cell membrane.

In addition to the cell membrane, plant cells also have a thick cell wall which surrounds this membrane. In a lot of plant cells, there exist large sacs called vacuoles. The vacuole contains fluid that consists of, among other things, water and sugars. A vacuole that is full of fluid resembles a water-filled balloon. This is what keeps a plant upright and rigid. When the vacuole dries out, the plant is no longer provided rigid support by the cell and wilts.

Most plant cells have small green bodies in them called chloroplasts. These tiny objects allow for the plant to make its own food through the process known as photosynthesis. Energy from sunlight is required for photosynthesis to take place.

Also essential is atmospheric carbon dioxide and water, which for most plants comes from the soil. Carbon dioxide and water are converted into glucose inside the chloroplasts, and sunlight is used as energy.

Glucose is developed; a kind of sugar which is the plantís main food. Oxygen is produced as a byproduct. It is the same oxygen that we humans breathe.
Different types of cells are designated with certain operations.

For example, roots do not have chloroplasts and thus are not involved in photosynthesis, but it does serve the plant in other ways. The roots have hair that absorbs water and other minerals that the plant needs, from the soil.

Article Written by Wonay Ali [320 Words]
Posted on Oct 12, 2013 with Views.

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