What is the net charge of serine at a pH of 1? At a pH of 7? At a pH of 14? HO х H2N OH

Q: Write the structural formula (flat projection) of the dipeptide glycyl-phenylalanine (Glycine is the…

A: When the OH group of one amino acid and H of amine group of another amino acid condensed to give a…

Q: SH H Peptide 4 ہمی Peptide 5 التراجع H

A: The one letter code for the peptide 4 is "CHEMICAL". We can observe peptide bond i.e "-CONH-"…

Q: Glutamic acid has three ionizable groups. The pKa of a-COOH is 2.19; a-NH 3+, 9.67; and the R-group,…

A: Given - Pka of α-COOH of glutamic acid = 2.19            PKa of α-NH3+ of glutamic acid = 9.67…

Q: Choose the set of letters corresponding to the BEST answer. -OH -OH -OH H₂N- CH- 151 +4 CH₂ HN H₂N-…

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Q: Choose from A-F. Two of this amino acid can react with each other (anoxidation reaction) and form a…

A: During the chemical reaction gain of oxygen on the compound is called an oxidation reaction. For…

Q: For each structure on the left, pick an identification on the right. Clear All H2N-ÇH- -CH- -OH CH2…

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Q: Write the structure for the protein Pro-Asn-Tyr-Cys at pH 7.0.

A: Amino acid: An amino acid is an organic molecule and it consists of amine group (NH2), acidic…

Q: Draw the structure of hexapeptide NH3+-MIGHTY-COO-

A: In a peptide, amino acids units are joined together by peptide bonds.

Q: Consider the structure of L-alanine. CH3 +H3N L-alanine Which structural components are common to…

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Q: The amino acid histidine has ionizable groups with pKa values of 1.8, 6.0, and 9.2, COOH H₂N-CH CH…

A: GIVEN The pKa1, pKa2 and pKa3 values of Histidine are given as 1.8, 6.0 and 9.2. Initial pH of…

Q: the structures of the amino acids formed at physiological pH when the tripeptide below is hyd НО н…

A: Given is tripeptide molecule.Tripeptide consists of three amino acids.The tripeptide on hydrolysis…

Q: 11. Draw a condensation reaction between Tyrosine and Lysine with Tyrosine at the Amino Terminus…

A: The amino acids undergo condensation reactions to form peptide bond with elimination of water…

Q: Which of the following functional groups can be seen in the Amino Acid? H₂N Amino Acid 0 . OH ether…

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Q: Which of the following statements describes the amino acid presented below? OH CH2 O H3Ñ–CH-C-0 This…

A: The R group in an amino acid is its side chain. This side group make it hydrophilic if it can make…

Q: description for the term rancidity of oils two causes of rancidity of oils acid value of oils

A: The oxidation reaction is a kind of chemical reaction in which the substance gets oxidized either by…

Q: identlying and Draw the structure of valyltyrosine, a dipeptide made from valine and tyrosine, as it…

A: Information of question

Q: Which type of cross-link would form between the following amino acids? но но H2N-C-C-OH H2N-C-C-OH…

A: is called serine is called  threonine

Q: Answer the questions in the table below about this molecule: i HẸN –CH,CNH—CH-CNH-CH–COO CH₂ What…

A: The question is based on the concept of biomolecules.We have to identify the type of compound…

Q: The amino acid lysine is shown below. What functional group must be removed in order to produce…

A: The  given compound is amino acid.It is alpha amino acid.The name of given amino acid is lysine.

Q: Which structure is the zwitterionic form of tyrosine? H,0 H20 НО НО NH3 NH3 00 ОН NH3 NH3 ОН NH₂

A: The carboxyl group loses a proton and amine group accept that form which result in the formation of…

Q: Draw the structure of heptapeptide NH3+-FIGHTER-COO- FIGHTER: amino acid codes

A: Peptide bond is formed when a carboxylic acid group comes together with amino group and undergo…

Q: What type of amino acid has a side chain that contains –COO–? polar neutral nonpolar acidic…

A: What type of amino acid has a side chain that contains –COO–?

Q: 2 W S X A biological molecule is shown here. What is the most likely classification of this…

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Q: Why are Guanidins and Amidins such strong bases?

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Q: The diagram shows which level of structure of a protein? hydrogen bond CH, CH H.C CH, hydrophobic…

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Q: For each structure on the left, pick an identification on the right. Clear All но- -(CH2)4 -OH amino…

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Q: What functional group on an amino acid could have an ionic interaction with the O- on the small…

A: Amino acids are organic compounds that serve as the building blocks of proteins. They contain…

Q: Consider the hexapeptide S-H-I-R-M-P Draw the structure at pH 1.0. What is the charge at this…

A: An amino acid sequence can be represented by the one-letter code S-H-I-R-M-P, which is a…

Q: Glutamic acid has three ionizable groups. The pKa of α-COOH is 2.19; α-NH 3 + , 9.67; and the…

A: Glutamic acid is a acidic amino acid having 2 COOH groups and one NH2 group. Three pKa values are…

Q: A. HN- 13. What's the correct form of serine at a pH of 13? CH CH₂ OH -OH B. H₂N-CH- CH₂ le C. H₂N-…

A: structure of serine at pH = 13

Q: The amino acid histidine has ionizable groups with pK, values of 1.8, 6.0, and 9.2, as shown. coo…

A: pKa values of histidine are 1.8, 6.0, and 9.2.85 mL of a 0.10 M solution of histidine. pH of 5.5.60…

Q: Sort the agents according to the way they disrupt the structure of proteins: denaturation or…

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Q: The linkages shown in circles "A" and "B" are what kind of linkages? In other words, what is the…

A: We are to discuss the bond formed between structures A and B in given structure.  This is the bond…

Q: What charged groups are present in lysine at a pH = 7? OA) 1× NH3 B) 1 x COO C) 1× NH3 and 1 x COO-…

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Q: For each structure on the left, pick an identification on the right. Clear All NH2 (CH)-NH2 amino…

A: The compounds given are,

Q: Question 8 of 15 Provide the correct three-letter abbreviation for the following amino acid: Gln O=0…

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Q: lysine is which type of amino acid: a  beta-amino acid b  acidic c  basic d  neutral

A: Amino acid:An amino acid consists of a basic amino group (-NH2), an acidic carboxyl group (-COOH)…