Saturday, February 27, 2016

Why are the organelles in plant and animal cells different? Explain their respective functions.

Organelles are found in
Eukaryotic cells and are tiny structures inside cells that carry out different functions
to insure that homeostasis is maintained. In animals, the
centriole is present and is needed during mitotic division. It gives rise to the
spindle. Plant cells contain chloroplasts with the pigment
chlorophyll, among others. Chlorophyll can absorb the radiant energy from the sun and
with the presence of carbon dioxide and water, photosynthesis can occur. After the steps
of photolysis and carbon fixation, glucose is formed.
Plants can use this glucose as a food and energy source,
and they are producers or autotrophs. Another organelle found in plant
cells
but not in animal cells is the non-living cell wall. It is composed
of cellulose, a polysaccharide. The cell wall provides support and a framework as well
as protection to the plant cell. These are the organelles
that differ between plant and animal cells.

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