Cell Biology
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The cell is the fundamental unit of life. Multicellular organisms are composed of many cells; in the case of human beings, trillions of them! But every human being arises from one single cell. To form a body composed of so many cells, cells must replicate themselves. To do so – they undergo a program of growth and division.
Bacteria, a bit unfairly, are often bad mouthed, as they tend to make the news for the diseases they cause: tuberculosis, pneumonia, cholera. From the bacteria’s point of view, however, disease is mostly an accident – they just found somewhere they can thrive.
The secretory pathway is arguably one of the most important pathways in the body. It deemed ‘Secretory’ primarily because it’s the pathway that controls how the cell secretes proteins int extracellular environment.