not use ai please 3. Denote the hybridization of the 3 nitrogen atoms in the shaded portion. ( /1)Draw a picture to depict the delocalized TT system in the shaded region, by using parallelp orbitals. ( 12)The shaded portion can become protonated. Draw all possible resonance structures ofthe protonated form, showing the whole molecule in your drawings ( 12).Explain why this amino acid is a strong base (i.e., good at abstracting a proton). ( /1).NHH₂NNH3+

Approach to Solving the Question Identify Hybridization of the Nitrogen Atoms:Determine the…

Answered: 3. Denote the hybridization of the 3…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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5. Lactose, one of the principal sugars found in milk, is an extremely common disaccharide. a. (i) Draw the structure of ß-lactose and briefly (ii) explain why it is classified as a disaccharide. (4 points): b. (i) Define the term glycoside and (ii) explain how it relates to the structure of ß-lactose. (4 points): c. (i) Explain why lactose does form a silver mirror when reacted with Tollen's reagent but sucrose does not. As part of your answer, (ii) identify the key reactive component of Tollens' reagent. 3.
2. Compare and contrast the biological roles of the following amino acids the following pairs of amino acids. Once you have documented these role state which member of the pair is most important and why (1-2 sentences) Pair #1 Ketogenic, glucogenic or both Prevalence in peptides and proteins Role in biosynthesis Role in homeostasis (e.g. ammonia) Important in which pathways Aspartic acid Glutamic acid Pair #2 Arginine Histidine Ketogenic, glucogenic or both Prevalence in peptides and proteins Role in biosynthesis I Role in homeostasis (e.g. ammonia) Pair #3 Ketogenic, glucogenic or both Prevalence in peptides and proteins Role in biosynthesis Role in homeostasis (e.g. ammonia) Important in which pathways Tyrosine Phenylalanine MacBook Air
Unit three (Protein structure) 7. (2 marks) Draw a generic pentapeptide (side chain residues defined as R) in an α-helix and identify H- bonds that maintain the secondary structure.
need help with D)Lipid
Select an amino acid that has and N-H or O-H bond in its R-group (you have 8 to choose from!). Draw at least two water molecules interacting with the R-group of the amino acid.
26.
The chemical structure of cysteine (C3H-NO₂S) is shown below. Highlight each atom that is in an amino group. :S H | HC-H H-C | H-N-H :0: || C. -0-H X 5 Save For Late
3. study the Lewis structure of a geheric amino acial shann below ldentify the part af generic amino acid that reacts ith bose and the part thadthaanctawith acial. Brief explain your ansher R C-COOH NH
Look at the amino acids shown below. Their side chains are highlighted. Which amino acids have polar side chains? (choose all that do!)
please answer question 6 and 7
Q1. Would an amino acid with the given side chain be most likely to be found in the hydrophobic or hydrophilic region of a protein? Circle one below. A. B. C. -CH₂-CH-CH3 I CH3 O -CH2-C-NH2 -CH-CH3 | ОН Circle one: Hydrophilic region // Hydrophobic region Circle one: Hydrophilic region // Hydrophobic region Circle one: Hydrophilic region // Hydrophobic region
4. *** Consider an a-helix with the following sequence:

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