• At a pH of 12, what charged groups are present in the amino acid valine? -NH3+ -CO2- -NH2- -NH3+ and CO2- all of these . Which of these amino acids contains an amide function? (check all) Asparagine, glutamine, methionine, cysteine, alanine Which of these amino acids contains two carboxylic acid groups? (check all) aspartic acid, cysteine, glutamic acid, glutamine, lysine . Which of these amino acids contains an -OH group? (check all) serine, threonine, tyrosine, alanine, proline ● Which amino acid(s) would carry an overall negative charge at neutral pH? (check all) Lys, asp, his, arg, met In the following peptide, which amino acid is the C-terminus? Phe - Ala - Gly- Arg Phe, Ala, Gly, Arg, none of these What is the approximate pl for the amino acid lysine? 4, 5, 7, 10, 12
• At a pH of 12, what charged groups are present in the amino acid valine? -NH3+ -CO2- -NH2- -NH3+ and CO2- all of these . Which of these amino acids contains an amide function? (check all) Asparagine, glutamine, methionine, cysteine, alanine Which of these amino acids contains two carboxylic acid groups? (check all) aspartic acid, cysteine, glutamic acid, glutamine, lysine . Which of these amino acids contains an -OH group? (check all) serine, threonine, tyrosine, alanine, proline ● Which amino acid(s) would carry an overall negative charge at neutral pH? (check all) Lys, asp, his, arg, met In the following peptide, which amino acid is the C-terminus? Phe - Ala - Gly- Arg Phe, Ala, Gly, Arg, none of these What is the approximate pl for the amino acid lysine? 4, 5, 7, 10, 12
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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