KAAP220 Lecture Notes - Lecture 5: Fluid Mosaic Model, Adenosine, Cell Theory
15 Dec 2016
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Denaturation: when protein unravels: sometimes reversible. Functional proteins: enzymes: each enzyme control a highly specific reaction, need an enzyme for every kind of chemical reaction. Organic substances: nucleic acid: large complex molecules, control your structure and function. Organic substances: nucleic acids: 2 kinds: Two roles ribose or deoxyribose: carry & replicate genetic information, provide instructions for building proteins. 4 nitrogenous bases attach to deoxyribose sugar: adenine, thymine, cytosine, guanine. Bases bond with complementary pairs: adenine - thymine, cytosine guanine. Codes for 1 amino acid: ata = tyrosine, ttt = lysine. All triplets put together = code for one gene. Move into & stay in cytoplasm after formaition. Cary out orders for protein synthesis issued by dna. Adenine, the rna nucleotide, is modified into 2 rings. High energy bonds ruptured = release e: atp = adp + pi + energy, adp = adenosine diphosphate. Basic structural & functional unit of the body. 3 major parts: plasma membrane, nucleus, cytoplasm.
