A pioneer in biotechnology Har Gobind Khorana is credited with making the first synthetic genes by cutting and pasting DNA bits Jacob Koshy Who was Har Gobind Khorana? Nobel Laureate Har Gobind Khorana’s contributions to biology are of contemporary relevance for some of the most exciting areas such as synthetic biology and gene editing. A Google Doodle on Tuesday to mark the 96th birth anniversary of the Indianorigin American scientist this week stoked much interest in his work. What were his contributions to biology? After James Watson and Francis Crick found that DNA (Deoxy ribonucleic acid) had a doublehelix structure, Khorana was among thos...
Parts & their functions This complex "biological membrane" contains several parts and each of those parts have a specific function: Phospholipid Bilayer , or otherwise known as the "Lipid Bilayer", is one of the largest parts of the cell membrane. It contains two layers of phospholipids (phosphate heads + lipid tails) and allows small molecules such as water, oxygen and carbon dioxide to enter or leave the cell. Proteins can be found within or on the surface of the cell membrane and are able to do many vital functions: Proteins transport large molecules in and out of cells (transportation), regulate chemical reactions that happen around the cell membrane (enzyme activity), send messages to other cells (messengers), recognize cell invaders/harmful cells (cell recognition), and proteins reinforce the structure of the cell membrane (support). Carbohydrate Chains , or glycolipids/glycoproteins , are chains found on the surface of the cell me...
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