Life and Cells

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Cytology (a term derived from the Greek word cyto, meaning cell) is a complex science studying cells, more precisely, evolution, typologies, and composition.
Life relies on cell, therefore, regardless of their nature (human, plant or animal) cellular activities keep everything and everybody around us alive.
Cellular typologies are extremely diversified, for instance, human cell is indifferently composed and structured in contrast with plan cells and animal ones.
However, a cell has some basic components performing vital cellular duties.
The very first component is cell membrane also known as cytoplasm and its basic role is to keep together organelles.
Nucleus has definitely a key role as it carries on the genetic information or the gene code; moreover, nucleus, also considered a top organelle, was the first cellular element spotted by scientists as it covered 10% of cellular volume.
ER the acronym for Endoplasmic Reticulum ensures the transportation of different molecules such proteins or RNAs.
ER is connected to golgy apparatus, where proteins coming from Endoplasmic Reticulum are stocked and prepared for further stages.
Another important organelle is lysosome (spherical organelle).
Here, specific enzymes and acids process food molecules and perform a sorting of good and bad materials.
Mitochondrion is a very dynamic organelle taking care of oxidation reaction, while ribosome are charged with conveyance of genetic data as they gravitate naturally around Endoplasmic Reticulum or simply travel in the cytoplasm.
Some organelles are found exclusively in human cells just like flagellum organelle or vacuoles that are specific for animal and plant cells.
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