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Sickle cell anemia and malaria

It is already known that mutations (changes in the DNA sequence) often alter the genetic information resulting in changes in the functions of cells and hence of organisms, leading to disease. So, one would expect that if a mutation is… Continue Reading

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The organ systems of the human body

What are the differences between unicellular and multicellular organisms when it comes to their functions? We already know that three of the basic functions of living organisms are survival, growth, and reproduction. In order to survive and grow, a cell… Continue Reading