Choose the combination of answers that most accurately completes the statement.The primary mode of action of nonionizing radiation is to a. produce superoxide ions c. denature proteins b. make pyrimidine dimers d. break disulfi de bonds
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Choose the combination of answers that most accurately completes the statement.The primary mode of action of nonionizing radiation is to a. produce superoxide ions c. denature proteins b. make pyrimidine dimers d. break disulfi de bonds
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- This highly unstable agent can react strongly with DNA and proteins. a. ethylene oxide b. formaldehyde c. calcium hypochlorite d. triclosan e. hydrogen peroxideThe following are denaturing agents for proteins, except:* Please choose one correct answer only. A. Change in pH B. Heat C. Ultraviolet light D. Organic solvents E. None of the given optionsWrite a detailed note on Boron and Its application in Cancer treatment.
- Which of the following chromatographic techniques has an attached ligand on the stationary phase? A. Affinity B. Ion exchange C. Gel filtration D. Hydrophobic interactionYou are an art teacher who needs to explain to your students what different types of materials are inside magic markers. Use the diagram below to color, label, and write a short paragraph to explain how the chromatography process of separation works. (You can draw and take a picture or you can do this one using this Desmos Link: Desmos to complete this one.) BUTTTT let me know if you chooseAmoxicillin is a commonly used drug to fight bacteria. The pharmacologic class of this drug is: A. Amino-penicillin-beta-lactamase inhibitors B. Antibiotics
- Describe step by step process of: a. Ion-exchange Chromatography b. Hydrophobic Interaction Chromatography c. Affinity Chromatography d. Reversed-Phase Chromatography e. Principle of Polyacrylamide Gel Electrophoresis f. Isoelectric Focusing g. Protein SequencingIn slides stained with hematoxylin and eosin, the section 2. appears very pink with pale-reddish brown nuclei. Of the following, the most appropriate action is to a. Restain the sections for a longer time in hematoxylin b. Discard and replace the ammonia water c. Replace the hematoxylin with fresh solution d. Change all solutions and restain 131. Identify what test is being described: Refers to the breaking of peptide bonds that connect amino acids to compose protein ? A. Hydrolysis B. Denaturation C. Heat denaturation D. Organic solvent denaturation E. Biuret test F. Hopkins – Cole Reaction G. Millon’s test H. Ninhydrin Test I. Sulfur test J. Xanthroproteic Test K. Chromatography L. Paper chromatography M. Competitive inhibition N. Noncompetitive inhibition O. Rancidity P. Hydrogenation 2. Identify what test is being described: Test that detects the free amino group in amino acids ? A. Hydrolysis B. Denaturation C. Heat denaturation D. Organic solvent denaturation E. Biuret test F. Hopkins – Cole Reaction G. Millon’s test H. Ninhydrin Test I. Sulfur test J. Xanthroproteic Test K. Chromatography L. Paper chromatography M. Competitive inhibition N. Noncompetitive inhibition O. Rancidity P. Hydrogenation 3. Identify what test is being described: A foreign substance, which is structurally similar to the substrate, competes for…
- Define the following terms: a. phospholipids b. soap c. surface active agent d. phosphoglyceride e. sphingomyelinIdentify if the statement is True or False. If the statement is false, identify what is incorrect and correct it. 1. Liquefactive necrosis is a pattern of cell death characterized by dissolution of necrotic cells (example: abscess) 2. Electrons are frequently added to O2 to create biologically important ROS (.OH, H2O2 and O2-). Free radical is unpaired electron which makes the atom or molecule less reactive. DNA damages can lead to cell severe injury, and apoptosis. An improperly folded proteins can also initiate apoptosis. 3.A mixture containing glutamic acid, arginine, phenylalanine and valine was subjected to anion exchange chromatography at pH 7.0. Which of the amino acids interacted with the resin (anion exchanger) and last to be eluted with a buffer of decreasing pH? A. Glu B. Val C. Phe D. Arg