Podcast
Questions and Answers
What type of bond is formed between amino acids to create peptides?
What type of bond is formed between amino acids to create peptides?
- Peptide bond (correct)
- Hydrogen bond
- Ionic bond
- Van der Waals bond
What is the result of the formation of a peptide bond?
What is the result of the formation of a peptide bond?
- Release of water (correct)
- Release of oxygen
- Release of carbon dioxide
- Release of ammonia
Which term best describes the characteristics of a peptide bond?
Which term best describes the characteristics of a peptide bond?
- Rigid and planar (correct)
- Flexible and twisted
- Curved and linear
- Elongated and branched
In the dipeptide valylalanine, what type of configuration does the peptide bond have?
In the dipeptide valylalanine, what type of configuration does the peptide bond have?
What is the charge characteristic of a peptide bond?
What is the charge characteristic of a peptide bond?
At what pH does leucine exist as a cation?
At what pH does leucine exist as a cation?
What is the isoelectric pH of leucine when it exists as a zwitterion?
What is the isoelectric pH of leucine when it exists as a zwitterion?
What is the pKa of glutamic acid?
What is the pKa of glutamic acid?
Which amino acid has a pl of 12.03?
Which amino acid has a pl of 12.03?
What type of bond links amino acids in peptides?
What type of bond links amino acids in peptides?
Which amino acid has the highest pK₂ value among those mentioned?
Which amino acid has the highest pK₂ value among those mentioned?
Which amino acid is categorized as an aromatic amino acid?
Which amino acid is categorized as an aromatic amino acid?
Between Alanine and Glycine, which amino acid has a higher pK₁ value?
Between Alanine and Glycine, which amino acid has a higher pK₁ value?
Which amino acid has the lowest pK value among those mentioned?
Which amino acid has the lowest pK value among those mentioned?
Among Alanine, Valine, and Isoleucine, which one has the closest pK values to each other?
Among Alanine, Valine, and Isoleucine, which one has the closest pK values to each other?
Which amino acid is formed by the condensation of two molecules of cysteine?
Which amino acid is formed by the condensation of two molecules of cysteine?
Which property distinguishes proline from other amino acids?
Which property distinguishes proline from other amino acids?
What is the distinguishing characteristic of proline as an amino acid?
What is the distinguishing characteristic of proline as an amino acid?
What property enables amino acids to have optical isomers?
What property enables amino acids to have optical isomers?
What is the common solubility characteristic of most amino acids?
What is the common solubility characteristic of most amino acids?
Which amino acid property often results in melting points above 200°C?
Which amino acid property often results in melting points above 200°C?
What dual characteristic do amino acids possess that make them ampholytes?
What dual characteristic do amino acids possess that make them ampholytes?
What term is used to describe amino acids due to their ability to donate or accept a proton?
What term is used to describe amino acids due to their ability to donate or accept a proton?
At strongly acidic pH, how is an amino acid charged?
At strongly acidic pH, how is an amino acid charged?
What is the isoelectric point (pl) of an amino acid?
What is the isoelectric point (pl) of an amino acid?
How is an amino acid charged at strongly alkaline pH?
How is an amino acid charged at strongly alkaline pH?
How can the isoelectric point (pl) of an amino acid be calculated?
How can the isoelectric point (pl) of an amino acid be calculated?
What is the term used for a molecule that exists as a hybrid molecule containing positive and negative ionic groups?
What is the term used for a molecule that exists as a hybrid molecule containing positive and negative ionic groups?
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