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- Use circles to represent amino acids in the polypeptide shown below. OColor each amino acid using the color scheme: polar, basic amino acid = blue; polar acidic amino acid = red; non-polar amino acid = yellow H3N*-ala-ile-trp-arg-gly-ala-his-tyr-trp-gly-gly-tyr-arg-ile-val-thr-ile-trp-cys- met-gly-ile-asp-cys-thr-glu-cys-trp-gly-cys-phe-arg-his-pro-val-phe-Co-What type of intermolecular forces mainly exist between the side chains of each of the following pairs of amino acids? Select the single best answer for each part below. Note: Reference the Naturally-occurring amino acids table for additional information. Part 1 of 3Circle the functional groups on the R-group of the AMINO ACIDS below that are capable of forming hydrogen bonds. How do you know? 1 O H₂N-CH-C-O H 6 H₂N-CH-C-O CH H₂ CH₂ H₂C 2 요 H₂N-CH-C-O CH, 7 ar 3 hods word no 4hom on oq H₂N-CH-8-0-H₂N-CH-8-0 H₂N-CH-8-0- CH₂ CH₂ H₂C 201 8 CH₂ CH CH CH₂ sizoda H₂C CH₂ 10. Birds 9 H₂N-CH-8-0 H₂N-CH-8-0- CH₂ OH CH H₂C OH 578 aloriool H₂N-CH-C-O CH₂ CH₂ 0=C o 5 0=c NH₂ 요 H₂N-CH-C-O CH₂ CH₂ CH₂ CH ₂ 10 H₂N © University of California, Davis
- The image below shows an amino acid at physiological pH. Answer the following questions about this amino acid. H | // - c H3N* | CH2 CH2 | H2N a. How many carbons are in this amino acid's side chain? Entry Format: please type your answer as a number. 3 b. Is the side chain of this amino acid ionized at physiological pH? Entry Format: Please type the word yes or no without any capitalization. yes c. At physiological pH, amino acids have two ionic charges, one positively charged group and one negatively charged group. What is the term for this sort of molecule? Entry Format: Please type your response with all lowercase letters.Identify an amino acid that complies with the following characteristic: (Write the COMPLETE name) Contains an amide side chainWhat type of intermolecular forces exists between the side chains of each of the following pairs of amino acids? serine and threonine isoleucine and valine arginine and aspartic acid cysteine and cysteine
- Identify an amino acid that complies with the following characteristic: (Write the COMPLETE name) Contains a sulfhydryl side chainConsider the structure of the amino acid L-alanine. Which functional groups are common to all amino acids? H COOH NH₂ CH3which of the following statements is correct regarding the affect of pH on the ionization of R groups in amino acids. Put yes or no next to each number. 1) at an acidic pH, amino groups in an R group tend to lonize by accepting a proton and have a positive charge2) at an acidic pH, carboxyl groups in an R group are likely to be in an unionized state.3) at an alkaline pH, amino groups in an R group have a tendency to remain unionized (and uncharged).4) at an alkaline pH, carboxyl groups in an R group have a tendency to lonize by loosing a hydrogen ion (H+)5) R groups that do not have an amino or carboxyl group do not ionize at pH of the environment changes.
- Identify an amino acid that complies with the following characteristic: (Write the COMPLETE name) Side chain that reacts with NaOH via acid-base reactionWhich of the following statements is true regarding the classification of amino acids? Group of answer choices The side chain of a polar basic amino acid contains hydroxyl groups The side chain of a polar acid amino acid contains carboxyl groups The side chain of the non-polar amino acid can exhibit H-bonding. The side chain of a polar amino acid contains hydrocarbon groups onlyList the name of two amino acids that belong to each of these type of amino acids: Nonpolar (hydrophobic) polar(uncharged) positively charged (basic) negatively charged (acidic)