PPT-Lesson 5 – Proteins

Levels of Protein Structure Primary 1º Structure The primary structure is simply the sequence of amino acids in a protein Chains of amino acids are written from the amino terminus Nterminus to the carboxyl terminus Cterminus. Is It Really That Important?. Maybe It Started With Greek Yogurt…. And then there’s this…. A Macronutrient. We eat it in (relatively) large amounts. Provides energy (that means Calories). Contains nitrogen. Cytoskeleton. Hank – in da club. Crash Course Biology - Cell membranes. Cell membranes. On your desks draw out the structure of the plasma membrane of a eukaryotic cell.. Cell Membrane. From now on we will refer to the exterior cell membrane as the . Cytoskeleton. Hank – in da club. Crash Course Biology - Cell membranes. Cell membranes. On your desks draw out the structure of the plasma membrane of a eukaryotic cell.. Cell Membrane. From now on we will refer to the exterior cell membrane as the . PROTEINS – (DR. TRAISH) Introduction to Proteins - Proteins are abundant and functionally diverse molecules - They participate in cell regulation at all levels - They share a common structural Proteins account for more than 50% of the dry mass of most cells. Protein functions include structural support, storage, transport, cellular communications, movement, and defense against foreign substances. Most abundant molecule in cells making up 50% or more of their dry weight. Every protein has a unique structure, or shape. Allows it to perform a specific function. Enzymes are proteins that function as catalysts for many reactions in foods. Proteins are polymers of amino acids produced by living cells in all forms of life.. A large number of proteins exist with diverse functions, sizes, shapes and structures but each is composed of essential and non-essential amino acids in varying numbers and sequences.. Objectives:. Know the basic terminology related to fats and proteins. . Know the classifications of fats and proteins.. Basic terminology related to fats and proteins. Fat. denotes an ester composed of glycerol (tri-hydric alcohol) and three fatty acids of (triacylglycerol or triglycerides).. Each amino acid (aa) shares a common structure; i.e. an amine (NH. 2. ) group, an acid group (COOH), and a central carbon atom bonded to hydrogen and to a side chain (R).. The side chains qualify aas as acidic, basic, neutral, aromatic, and sulphur-containing amino acids.. Proteins. are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residue.. What Are Proteins?. Large molecules. Made up of chains of amino acids. Are found in every cell in the body. The concentration of many of these are affected by pathological processes; they are therefore measured.. They contain disulphide bonds.. Functions of plasma proteins include:. Transport. Maintaining plasma . Nasalized A. n. i. f. p. t. s. m. a. a. am. Sam. Pam. I . am. Sam.. an. fan. tan. I eat . an. apple.. am. an. am. Pam. an. fan. am. Sam. Pam. an. man. fan. pan. tan. Insert brief reinforcement activity and/or transition to next part of reading block.. e /. ĕ. /. b. g. u. c. d. o. n. i. f. p. t. s. m. a. e. men. get. e. end. Ed. e. e. men. set. fed. ten. get. bed. pet. beg. pen. bet. Insert brief reinforcement activity and/or transition to next part of reading block.. Unit 1 Advanced Higher. Miss Aitken. Pages 16-25. Textbook. Proteomics. Genome:. complete set of DNA. Comprises of coding and non-coding areas. 20-25000 genes in human genome. Proteome:. Entire set of proteins that can be expressed from a genome.