Zwitterion - Study guides, Class notes & Summaries

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Biochemistry comprehensive examination with 100% verified answers 2024
  • Biochemistry comprehensive examination with 100% verified answers 2024

  • Exam (elaborations) • 16 pages • 2024
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  • Biochemistry comprehensive examination with 100% verified answers 2024 All amino acids contain a central carbon, a side chain (R group), an amino group and a __________ group. Carboxyl Amino acids can undergo a proton transfer, thus giving both a (+) and (-) charge. This molecular state is called the ________. Zwitterion Amino acid that are unable to be synthesised from biochemical pathways within a cell have to be consumed through dietary intake. These are called _______ amino ac...
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AQA A Level Chemistry  2022 Paper 2 SOLUTION 2023//2024
  • AQA A Level Chemistry 2022 Paper 2 SOLUTION 2023//2024

  • Exam (elaborations) • 5 pages • 2023
  • How can we make polymers more flexible? - ANSWER By adding a plasticiser How do plasticisers make polymers more flexible? - ANSWER They stick between the chains and keep the polymers further apart from each other, weakening the van der Waals forces and lets chains slide more easily. Uses of Kevlar - ANSWER bulletproof and used in body armour. Uses of Nylon - ANSWER commonly used in textiles. Why are polymers strong? - ANSWER Polymers are bound by van der Waals forces. The intermolecula...
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BIOCHEMISTRY FINAL EXAM QUESTION WITH CORRECT HIGHLIGHTED ANSWERS 2023/2024 GRADED A+
  • BIOCHEMISTRY FINAL EXAM QUESTION WITH CORRECT HIGHLIGHTED ANSWERS 2023/2024 GRADED A+

  • Exam (elaborations) • 110 pages • 2023
  • BIOCHEMISTRY FINAL EXAM QUESTION WITH CORRECT HIGHLIGHTED ANSWERS 2023/2024 GRADED A+ 1. The β -pleated sheet forms when two or more peptide chain, called strands, line up side by side with the C=O and N-H bonds in the plane of the sheets A. true a. false 2. when the amino acid alanine (the R group is ـCH3) is added to a solution with a pH of 7.3 alanine become A. zwitterion B. nonpolar C. cation D. anion 3. the α amino acid have a carboxyl group with a pK around _____ and a...
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BCH 451 Final Exam Exam Study Guide.
  • BCH 451 Final Exam Exam Study Guide.

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  • ©BRIGHTSTARS EXAM SOLUTIONS 11/15/2024 11:57 AM 1 | P a g e BCH 451 Final Exam Exam Study Guide. Van der waals interaction - answerThe () describes the relation between inter atomic distances, electronic charge, solution dielectric and free energy. Quaternary structure - answerProtein () defines the relation among subunits in a multisubunit lattice primary structure - answerProtein () defines the amino acid sequence tertiary structure - answerProtein () defines the packing of helices, ...
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FSC 325 Quizzes (Passed!)
  • FSC 325 Quizzes (Passed!)

  • Exam (elaborations) • 3 pages • 2023
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  • T/F Foods containing high moisture content always possess high water activity. correct answers False Most bacteria will be inhibited by a water activity (aw) level of ____ or below. correct answers 0.9 Removal of water from food or decreasing water activity will_____ many enzymatic reactions and _____ correct answers Slow, inhibit T/F Glucose in its D form occurs naturally in food correct answers True T/F Monosaccharide is simple carbohydrate which contain three to nine carbon atoms ...
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BCH2333 - Building Blocks Part 2 (Thermodynamics, Nucleic Acids, Amino Acids & Peptides, Carbohydrates, and Lipids) Q's & A's
  • BCH2333 - Building Blocks Part 2 (Thermodynamics, Nucleic Acids, Amino Acids & Peptides, Carbohydrates, and Lipids) Q's & A's

  • Exam (elaborations) • 13 pages • 2024
  • BCH2333 - Building Blocks Part 2 (Thermodynamics, Nucleic Acids, Amino Acids & Peptides, Carbohydrates, and Lipids) Quantitation of pI - Answer- pI can be quantified by Henderson-Hasselbalch equation: (pKa^-1 + pKa^+1)/2 the average of the pKas relates to the ionization of the zwitterion pI of Proteins (polyampholytes) - Answer- Proteins contain up to hundreds of pH-responsive groups; when the net charge of protein is 0, anions balance cations and the pI is reached @pH<pI, net charg...
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ACS Biochemistry Final (100% Correct Answers)
  • ACS Biochemistry Final (100% Correct Answers)

  • Exam (elaborations) • 5 pages • 2023
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  • pKa (chapter 3) correct answers measure of the tendency of a group to give up a proton (acidity); tendency decreases tenfold as pKa increases by one unit thioester bond (1) correct answers compounds with functional group C-S-CoA-C (eg, in acetyl-CoA) zwitterion (3) correct answers dipolar ion with both positive and negative groups but overall neutral charge; can act as either an acid or base Isoelectric point (pI) (chapter 3) correct answers the characteristic pH at which the net electr...
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MCAT Biochemistry Review Exam Questions And Correct Answers
  • MCAT Biochemistry Review Exam Questions And Correct Answers

  • Exam (elaborations) • 65 pages • 2024
  • ©THEBRIGHT EXAM STUDY SOLUTIONS 8/22/2024 12:54 PM MCAT Biochemistry Review Exam Questions And Correct Answers Amino Acid - answerDipolar compound containing an amino group and a carboxyl group Amino Group - answer-NH2 Carboxyl Group - answer-COOH Alpha Carbon - answerCentral carbon atom in amino acid Attached to amino & carboxyl groups, H atom, and side chain Side Chain - answerThe variable component of an amino acid that gives the amino acid its identity and chemical properties also...
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MCAT Organic Chemistry Exam Questions And Correct Answers
  • MCAT Organic Chemistry Exam Questions And Correct Answers

  • Exam (elaborations) • 25 pages • 2024
  • ©THEBRIGHT EXAM STUDY SOLUTIONS 8/22/2024 12:54 PM MCAT Organic Chemistry Exam Questions And Correct Answers Electrostatic Forces - answerThe attractive force between electrons and the nuclei that is responsible for all molecular bonds. Coordinate Covalent Bond - answerOne nucleus donates both of the electrons in the bond. Hybridization - answersp - 180° - linear sp2 - 120° - trigonal planar sp3 - 109.5° - tetrahedral, pyramidal, or bent dsp3 - 90°, 120° - trigonal-bipyramidal, se...
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Biochemistry - Exam 1 Practice Questions & Answers 2023/2024 A+
  • Biochemistry - Exam 1 Practice Questions & Answers 2023/2024 A+

  • Exam (elaborations) • 10 pages • 2024
  • Biochemistry - Exam 1 Practice Questions & Answers 2023/2024 A+ In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. nucleoid A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus the nucleus In eukaryotes, the nucleus is enclosed by a double membrane called the: A) cell membrane. B) nuc...
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