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8. Write structural formulas for the two dipeptides that contain leucine and aspartate. 9. (a) Identify...
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....
There are peptide bonds in the molecule below. The N-terminal amino acid is Choose... The C-terminal amino acid is Choose... V NH₃ NH₃ Air ОН 90- NH Choose... glycine alanine valine leucine isoleucine serine threonine cysteine methonine aspartate glutamate asparagine glutamine lysine arginine phenylalanine tyrosine proline histidine
options There are peptide bonds in the molecule below. The N-terminal amino acid is Choose... The C-terminal amino acid is Choose... V NH3 NHE ОН 90- NH Choose... glycine alanine valine leucine isoleucine serine threonine cysteine methonine aspartate glutamate asparagine glutamine lysine arginine phenylalanine tyrosine proline histidine
56 & 58 please Pounds. on with in the 18.56 What kinds of changes take place in a protein when it is! denatured? 18.57 Explain how a protein is denatured by the following: (a) Heat (b) Strong acids (c) Organic solvents 18.58 Use the three-letter abbreviations to name all tripeptides that contain valine, methionine, and leucine. 18.59 Write structural formulas for the two dipeptides that contain leucine and aspartate. 18.60 Which of the following amino acids are most likely to...
Will vote for correct answer! Thank you! Given the following four amino acids at pH 7.4, identify the amino acid and class. Be sure to scroll dow to see all four structures. basic asparagine H3N CH-C O neutral polar glutamine CH O hydrophobic O aspartate CH O glutamate O acidic CEO O neutral polar leucine H3N-CH -C-O isoleucine acidic CH CH O hydrophobic Valine basic O hydrophobic arginine CH -C O histidine basic CH (Continued below...) O acidic CH lysine...
an amino acid is drawn below. An amino acid is drawn below. Identify the amino acid. O Isoleucine O Leucine O Glycine O Alanine СНЗ Identify the one-letter symbol. Identify the three-letter abbreviation. O A O Gly O Ala O lle O Leu An amino acid is drawn below. Identify the amino acid. O Tryptophan O Phenylalanine O Valine O Isoleucine O. CH Had / Identify the three-letter abbreviation. \C H3 Identify the one-letter symbol. O Val O Phe O...
#1) For the following pentapeptide (Where pH =1): a) What would the net charge be for the following pH? pH 0 = pH 3 = pH 5 = pH 7 = pH 10 = pH 13 = b) Calculate the pl of the pentapeptide. (Cysteine: pK1 = 1.96, pK2 = 10.128) ( Glutamine: pK1 = 2.17 , pK2 = 9.13) (Arginine: pK1 = 2.17. pK2 = 9.04) (Leucine: pK1 = 2.36 , pK2 = 9.60) c) If you were to...
5. Use the structure of the peptide to complete the problems/questions following. CH2 CH-OH CH2 CH3 CH2 NH NH2 a. (4 pts) Name (full name) the N-terminal amino acid? b. (4 pts) Name (full name) the C-terminal amino acid? c. (5 pts) Using the 1 letter amino acid abbreviation, give the name of the peptide.
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...
- Use the structure of the peptide to complete the problems/questions following. O HONE CH- H-º-N CH-c o- CH2 CH-OH CH2 CH2 CH3 C=0 ΝΗ NH2 a. (4 pts) Name (full name) the N-terminal amino acid? b. (4 pts) Name (full name) the C-terminal amino acid? C. (5 pts) Using the 1 letter amino acid abbreviation, give the name of the peptide.