Peptid Study guides, Class notes & Summaries

the strongest type of bond covalent bond covalent bond when atoms share electrons ionic bonds opposite charged atoms attract. (+) and (-) hydrogen bonds attraction between hydrogen and electronegative atom. weak bonds. ex: H+ wants to bond to OH van der waals interactions weak attractions when atoms or molecules are close together. transient movements of electrons that give molecules regions of (+) and (-) charges 4 groups that form amino acid 1. amino ...

WGU C785 Biochemistry Unit Exam Questions 1. Which level of protein structure is disrupted through the hydrolysis of peptide bonds? Quaternary Tertiary Primary Secondary: Primary

**Amino Acids, Peptides, and Proteins** Amino Acids Found in Proteins • Amino acids contain two functional groups, an amino group (-NH2) and a carboxyl group (-COOH) which are formed on a carboxylic acid. o Alpha amino acids are those where both functional groups are attached to the same carbon. o Side chain/R group and hydrogen atom are also attached to alpha carbon.  Side chain determines the properties of amino acids and its functions. Terminology • There are a variety of differ...

4. A pentapeptide was found to have the sequence) Aa pentapeptide s reagent, folloposition (not sequence) Ala Arg Gly Pro Trp. Reaction of the s, gave the DNP derivative of proline. Treatment of the pentapeptide a aproduced alanine. Treatment of the pentapeptide with trypsin gave a tetrapeptide hat is the sequence of the pentapeptide? (Spts) which, when treated with chymotrypsin, produced a tripeptide. W tide. However, after treating it with 5. A student isolated a protein and assumed it wa...

used by cells for energy and stucture; monosaccharides (glucose), disaccharides (sucrose, maltose, lactose), storage polysaccharides (starch [plants], glycogen [animals]), structural polysaccharides (chitin [fungi], cellulose [arthropods])

GVSU CHM 232 Lecture WS w Professor Leonard - Fall 2022

Class notes for peptides and proteins

- How are peptides formed? - Primary structure of peptides - How do proteins know how to fold? - Secondary structure of peptides - What are alpha-helices? - What are beta strands? - Structure of beta-sheet - Tertiary structure of peptides - What is a disulfide bond and how are they formed? - Quaternary structure of peptides

Antibiotics that weaken the peptidoglycan cell wall make a bacterium more prone to Choose one: O A. phagocytosis by macrophages. O B. detaching from surfaces. C. osmotic lysis. D. shrinkage in hypertonic solutions. E. starvation Solution C. osmotic lysis. Penicillins and cephalosporins, as well as other beta-lactam antibiotics targets the peptidoglycan synthesis making the cell wall weak leading to osmotic lysis of the bacterium.