Short Essay On Animal Cell

Short Essay On Animal Cell-29
Also, it controls the entry and exit of nutrients and other microscopic entities into the cell.It is a double-membraned structure that surrounds the nucleus. It is an organelle that contains several other sub-organelles such as nucleolus, nucleosomes and chromatins. It is a small organelle found near to the nucleus which has a thick centre with radiating tubules.These cells differ in their shapes, sizes and their structure as they have to fulfil specific functions.

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As stated before, animal cells are eukaryotic cells with a membrane-bound nucleus.However, the major difference ends there as animals need to adapt to a more active and non-sedentary lifestyle.Furthermore, animals need to acquire their own food, therefore, they do not possess any of the specialized cell organelles such as chloroplasts.The largest known animal cell is the ostrich egg, which can stretch over 5.1 inches across and weigh about 1.4 kilograms.This is in stark contrast to the neuron in the human body, which is just 100 microns across.Though this animal cell diagram is not representative of any one particular type of cell, it provides insight into the primary organelles and the intricate internal structure of most animal cells.Furthermore, it is easy to distinguish between a plant and animal cell diagram just by inspecting the presence or absence of a cell wall.Animal cells are generally smaller than plant cells.Another defining characteristic is its irregular shape. But animal cells share other cellular organelles with plant cells as both have evolved from eukaryotic cells.Life on planet earth is broadly classified either as unicellular or multicellular.Animal cells range in size from a few millimetres to microscopic microns.


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