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What is Biochemistry?, Lecture notes of Biochemistry

Number of different. Water. 70. 1. Proteins. 15. 3,000. Nucleic acids. DNA. 1. 1. RNA. 6. >3,000. Polysaccharides. 3. 5. Lipids. 2. 20. Subunits &.

Typology: Lecture notes

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Download What is Biochemistry? and more Lecture notes Biochemistry in PDF only on Docsity! What is Biochemistry? The chemistry of life! Components of an E. coli cell Percentage of total cell weight Number of different Water 70 1 Proteins 15 3,000 Nucleic acids DNA 1 1 RNA 6 >3,000 Polysaccharides 3 5 Lipids 2 20 Subunits & intermediates 2 500 Inorganic ions 1 20 ⇒ The study of biomolecules: What is Biochemistry? The chemistry of life! ⇒ The study of biomolecules: Structure Properties Interactions Reactions Biochemists want to understand everything about all the molecules of life. This is a big job! Biochemists take advantage of similarities Many biomolecules are complex polymers of basic units monosaccharide (sugar) units Protein (Polypeptide) DNA molecule nucleotide units (sugar + phosphate + base) amino acid units Carbohydrate (Polysaccharide) The world of biomolecules Human cells are ~10 µm in length (~1000x shorter than your finger tip) Figures from “The Machinery of Life” by David Goodsell
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