Friday, August 30, 2013

Cell Biology Help

Because of limitations of human eye, much of early biological research concentrated on developing tools to help us see very small things, As imaging technology became more sophisticated, biological discoveries abounded, Below îs timeline detailing some of those major events în biology,

The Cell Theory

When Schleiden & Schwann proposed cell theory în 1838, cell biology research was forever changed, The cell theory states that:

All life forms are made from one - more cells,
The cell îs smallest form of life,
Cells only arise from pre-existing cells,
The cell theory also provides us with operational definition of "life," The tutorial on prokaryotes, eukaryotes, & viruses explores this concept în more detail,

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