please check if I get prolin‘s charge correctly
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A:
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Q: 5. What is a reducing sugar?
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Q: Can you solve and show your solutions how to get the buffer regions/effective pH range of Cys?
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- In the formula for sucrose (structure shown above), the bottom ring is pyranose. True or False?D- and L- designations are used to distinguish between the two possible enantiomers of the monosaccharide, galactose. From the Fischer projection, determine the designation of this monosaccharide.Give one specific sample structure (Fischer Projection or Haworth) of the following carbohydrate derivatives: - Amino-sugar
- Give one specific sample structure (Fischer Projection or Haworth) of the following carbohydrate derivatives: - Alditols - Deoxy-sugarWrite the structure formula, three-letter and one-letter abbreviation for each essential amino acid at pH 7. Phenylalanine Threonine Methionineg) (CH3)₂ - CH₂ -CH-COOH + CH₂-CH-COOH -H₂O NH₂ OH NH₂ 4. Write the equation for the digestion (hydrolysis) of Phe-Asp-Ala. €
- Tridecane [CH3(CH2)11CH3] is a major component of the repellent that the stink bug Piezodonis guildinii releases from its scent glands when attacked. What fatty acid gives tridecane on decarboxylation?In the monosaccharide derivatives known as sugar alcohols, the carbonyl oxygen is reduced to a hydroxyl group. For example, D-glyceraldehyde can be reduced to glycerol. However, this sugar alcohol is no longer designated D or L. Why?Write the one letter code for the oligopeptide Ser-Cys-Ile-Glu-Asn-Cys-Glu and calculate the total charge on it at pH 4.5.
- Which of the following is least soluble in hexane? * COOH A^ А B с E D FM COOH COOH COOH COOH 1 p COOHFollowing are Fischer projections for a group of five-carbon sugars, all of which are aldopentoses. Identify the pairs that are enantiomers. CHO сно H-C- OH H-C-OH H-C- OH но-с — н н-с—он но- ČHOH ČH,OH сно CHO Н-с—он но—с— н H-C- OH H-C-OH но—с—н Н-с—он ČHOH ČH,OH сно сно н-с—он но—с —н но—с— н но -с — н H-C- OH но- C-H ČH,OH ČH,OHThe pk, values for the carboxy and ammonium protons of phenylalanine are 2.58 and 9.24, respectively. What is the isoelectric point of phenylalanine? Draw the structure of phenylalanine at its isoelectric point.