Homework Answers
Peptide bond joins one amino acid to another. For peptide bond formation one carboxyl group of amino acid forms bond with amino group of adjacent amino acid and while doing so one molecule of water is released.
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Question 8 Name the amino acids (full name, three-letter code, OR one-letter code) shown in the...
From N to C terminus, name the amino acids in the polypeptide shown below using single-letter...
From N to C terminus, name the amino acids in the polypeptide shown below using single-letter codes. (Do not use punctuation marks or spaces to separate the letter (ie. if the 3 amino acids are A, B and C, write the sequence as ABC) 0 - 0- CH3 6- H₃C CH₂ Han CH2 CH2 CH-CH3 CH2 CH3 CH2 CH2 NH3 Which of the following is NOT a naturally occurring amino acid? OA) H3NCH-Coo OB) H3NCH-Coo CH2 он Oc) HNCH-Coo CH-OH...
8 pts Question 24 Identify the amino acids in the given cyclic peptide and report as...
8 pts Question 24 Identify the amino acids in the given cyclic peptide and report as a single letter code. At pH 7.0 what would be the pl of the given peptide. NH2 NH HOOC NH2 HTML Editorg xxEE B I A E G 12pt P
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a)...
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a) lle b) Thr c) Gin 2. Name and draw the structures of the amino acids that fit these descriptions: a) Contains an isopropyl group b) Contains a secondary alcohol group 3. Which of the following objects is chiral? a) A pair of scissors b) A comb c) A drinking glass 4. What does the term achiral mean? Give two examples involving organic structures.. 5....
19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid an...
19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid and serine, whose structures are shown here, is HiN-CH-C-0HIN-CH-C-0 CH2 CH OH aspartic acid serine A HN-CH-C-o-N-CH-C-o CH OH CH2 coo -(H-C-o-H-c-o CH OH CH2 HIN CH-C-N-CH-C-O CH OH CH H-CH-CH CH CH OH coo- 20) Where is the peptide bond located in this dipeptide? serine valine a) the CO-NH joining serine and the valine b) the doubly bonded oxygen just left of center between the...
8. Write structural formulas for the two dipeptides that contain leucine and aspartate. 9. (a) Identify...
8. Write structural formulas for the two dipeptides that contain leucine and aspartate. 9. (a) Identify the amino acids present in the peptide shown below. (b) Identify the N-terminal and C-terminal amino acids of the peptide. o o HĐN-CH-C-N: CH C-N-CH-C-N-CH-C00 N HT CH (CH) (CH)2 CH2 CH2 'It SH NH C-0 CH O 10. Using three-letter abbreviation, show the six tripeptides that contain isoleucine, arginine, and valine.
THESE AMINO ACIDS WITH THEIR ONE LETTER. TRY LETTER AND WATCH ONE LETTER THREE LETTER R...
THESE AMINO ACIDS WITH THEIR ONE LETTER. TRY LETTER AND WATCH ONE LETTER THREE LETTER R GROUP DRAWING ABBREVIATION ACID SYMBOL tyrosine b_methionine -CH:CH CNH2 NH2 c _isoleucine -CH2CH2CH2NHCNH2 d arginine -CH2- OH -CH2CH2SCH e aspartate -CH2C00 f_glutamine CH3 -CHCH2CH3
questions e-f and g.and k. a) Use the 3 letter symbols for a 6 amino acid...
questions e-f and g.and k.
a) Use the 3 letter symbols for a 6 amino acid peptide chain containing at least one polar and at least one acidic or basic amino acid. (All at physiological pH.) Asp - Gly-Glu-Tyr- Phe- Ala OM b) Draw the primary structure with its peptide bonds, side chains, etc. in the correct order. CH3 NH - E-N -CH. - CH - C- 2-I U=0 -ch- & N-chi- CH₃ CH ₂ Coo CH н My Coo...
Choose the amino acids from the list below that could combine to give the following dipeptide....
Choose the amino acids from the list below that could combine to give the following dipeptide. H2-CH- CH-C -OH H CH2 H N—C—C—OH CH2 H N—C—C- -OH CH2 CH2 CH2 CH2 NH2 H2N-CH-C-OH CH2 OH H2N-CH- -C- -OH Н. OO H2N-CH-C-OH CH-CH, сн.
1. Which is a true statement about amino acids? a. They are amphiprotic b. The a-carbon...
1. Which is a true statement about amino acids? a. They are amphiprotic b. The a-carbon has an ester attached c. They are symmetrical d. They are planar e. The α-carbon has a phosphate group attached 2. Which is an incorrect statement regarding the side chains of amino acids? a. Tryptophan, tyrosine, and phenylalanine contain an aromatic group. b. Isoleucine, and leucine are isomers of each other. c. Lysine and methionine contain an amine group. d. Threonine, serine, and tyrosine...
0 0 0 N-term он O CH OH 1) Identify amino acids 1-7 using three letter codes or full names. [3.5 ...
0 0 0 N-term он O CH OH 1) Identify amino acids 1-7 using three letter codes or full names. [3.5 min] 2) What class of peptide mimetic is this? [1.5 min] 3) Describe 2 advantages of peptide mimetics as comparted to small molecule therapeutics. [2 min] 4) Describe 2 disadvantages of peptide mimetics as compared to small molecule therapeutics. [2 min] 5) What type of protein target would be better suited for a peptide mimetic approach rather than a...
From N to C terminus, name the amino acids in the polypeptide shown below using single-letter codes. (Do not use punctuation marks or spaces to separate the letter (ie. if the 3 amino acids are A, B and C, write the sequence as ABC) 0 - 0- CH3 6- H₃C CH₂ Han CH2 CH2 CH-CH3 CH2 CH3 CH2 CH2 NH3 Which of the following is NOT a naturally occurring amino acid? OA) H3NCH-Coo OB) H3NCH-Coo CH2 он Oc) HNCH-Coo CH-OH...
8 pts Question 24 Identify the amino acids in the given cyclic peptide and report as a single letter code. At pH 7.0 what would be the pl of the given peptide. NH2 NH HOOC NH2 HTML Editorg xxEE B I A E G 12pt P
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a) lle b) Thr c) Gin 2. Name and draw the structures of the amino acids that fit these descriptions: a) Contains an isopropyl group b) Contains a secondary alcohol group 3. Which of the following objects is chiral? a) A pair of scissors b) A comb c) A drinking glass 4. What does the term achiral mean? Give two examples involving organic structures.. 5....
19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid and serine, whose structures are shown here, is HiN-CH-C-0HIN-CH-C-0 CH2 CH OH aspartic acid serine A HN-CH-C-o-N-CH-C-o CH OH CH2 coo -(H-C-o-H-c-o CH OH CH2 HIN CH-C-N-CH-C-O CH OH CH H-CH-CH CH CH OH coo- 20) Where is the peptide bond located in this dipeptide? serine valine a) the CO-NH joining serine and the valine b) the doubly bonded oxygen just left of center between the...
8. Write structural formulas for the two dipeptides that contain leucine and aspartate. 9. (a) Identify the amino acids present in the peptide shown below. (b) Identify the N-terminal and C-terminal amino acids of the peptide. o o HĐN-CH-C-N: CH C-N-CH-C-N-CH-C00 N HT CH (CH) (CH)2 CH2 CH2 'It SH NH C-0 CH O 10. Using three-letter abbreviation, show the six tripeptides that contain isoleucine, arginine, and valine.
THESE AMINO ACIDS WITH THEIR ONE LETTER. TRY LETTER AND WATCH ONE LETTER THREE LETTER R GROUP DRAWING ABBREVIATION ACID SYMBOL tyrosine b_methionine -CH:CH CNH2 NH2 c _isoleucine -CH2CH2CH2NHCNH2 d arginine -CH2- OH -CH2CH2SCH e aspartate -CH2C00 f_glutamine CH3 -CHCH2CH3
questions e-f and g.and k.
a) Use the 3 letter symbols for a 6 amino acid peptide chain containing at least one polar and at least one acidic or basic amino acid. (All at physiological pH.) Asp - Gly-Glu-Tyr- Phe- Ala OM b) Draw the primary structure with its peptide bonds, side chains, etc. in the correct order. CH3 NH - E-N -CH. - CH - C- 2-I U=0 -ch- & N-chi- CH₃ CH ₂ Coo CH н My Coo...
Choose the amino acids from the list below that could combine to give the following dipeptide. H2-CH- CH-C -OH H CH2 H N—C—C—OH CH2 H N—C—C- -OH CH2 CH2 CH2 CH2 NH2 H2N-CH-C-OH CH2 OH H2N-CH- -C- -OH Н. OO H2N-CH-C-OH CH-CH, сн.
1. Which is a true statement about amino acids? a. They are amphiprotic b. The a-carbon has an ester attached c. They are symmetrical d. They are planar e. The α-carbon has a phosphate group attached 2. Which is an incorrect statement regarding the side chains of amino acids? a. Tryptophan, tyrosine, and phenylalanine contain an aromatic group. b. Isoleucine, and leucine are isomers of each other. c. Lysine and methionine contain an amine group. d. Threonine, serine, and tyrosine...
0 0 0 N-term он O CH OH 1) Identify amino acids 1-7 using three letter codes or full names. [3.5 min] 2) What class of peptide mimetic is this? [1.5 min] 3) Describe 2 advantages of peptide mimetics as comparted to small molecule therapeutics. [2 min] 4) Describe 2 disadvantages of peptide mimetics as compared to small molecule therapeutics. [2 min] 5) What type of protein target would be better suited for a peptide mimetic approach rather than a...
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