By David Hames, Nigel Hooper

BIOS fast Notes in Biochemistry, Fourth version, is the best textual content for undergraduates searching for a concise creation to the topic, or a research advisor to take advantage of ahead of examinations. every one subject starts off with a precis of crucial facts-an perfect revision checklist-followed by way of an outline of the topic that specializes in center info, with transparent, easy diagrams which are effortless for college students to appreciate and bear in mind in essays and checks.

BIOS rapid Notes in Biochemistry, Fourth variation, is totally updated and covers:

  • Cells
  • Amino acids and proteins
  • Studying proteins
  • Enzymes
  • Membranes and mobile signalling
  • DNA constitution and replication
  • RNA synthesis and processing
  • Protein synthesis
  • Recombinant DNA technology
  • Carbohydrate metabolism
  • Lipid metabolism
  • Respiration and energy
  • Nitrogen metabolism

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Additional info for Biochemistry (Instant notes)

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It is also the major fibrous element of skin, bones, tendons, cartilage, blood vessels and teeth. The different collagen proteins have very diverse functions. The extremely hard structures of bones and teeth contain collagen and a calcium phosphate polymer. In tendons, collagen forms rope-like fibers of high tensile strength, while in the skin collagen forms loosely woven fibers that can expand in all directions. The different types of collagen are characterized by different polypeptide compositions (Table 1).

3. Ramachandran plot showing the allowed angles for poly-L-alanine (grey regions). α, φ–ψ values that produce the right-handed α-helix; β, the antiparallel β-pleated sheet; βЈ, the parallel β-pleated sheet; C, the collagen helix. The primary level of structure in a protein is the linear sequence of amino acids as joined together by peptide bonds. This sequence is determined by the sequence of nucleotide bases in the gene encoding the protein (see Topic H1). Also included under primary structure is the location of any other covalent bonds.

Hydrogen bonds are stronger than van der Waals forces but much weaker than covalent bonds. Hydrogen bonds not only play an important role in protein structure, but also in the structure of other biological macromolecules such as the DNA double helix (see Topic F1) and lipid bilayers (see Topic E1). In addition, hydrogen bonds are critical to both the properties of water and to its role as a biochemical solvent. Hydrophobic forces: The hydrophobic effect is the name given to those forces that cause nonpolar molecules to minimize their contact with water.

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