Podcast
Questions and Answers
What is the capital of France? (example question)
What is the capital of France? (example question)
- Paris (correct)
- London
- Berlin
- Madrid
What does pH measure?
What does pH measure?
- The concentration of hydroxide ions
- The concentration of hydrogen ions (correct)
- The concentration of carbon dioxide
- The concentration of ammonia
What is the formula for calculating pH?
What is the formula for calculating pH?
- pH = log [H+]
- pH = -log [H+] (correct)
- pH = [H+] × 10
- pH = 1/[H+]
Which of the following groups is NOT part of an amino acid?
Which of the following groups is NOT part of an amino acid?
What type of structure do L and D amino acids represent?
What type of structure do L and D amino acids represent?
What happens to the charge of amino acids when the pH is increased?
What happens to the charge of amino acids when the pH is increased?
What is the significance of the equilibrium constant (K) in chemical reactions?
What is the significance of the equilibrium constant (K) in chemical reactions?
Which statement is true for strong acids?
Which statement is true for strong acids?
What does a high acid dissociation constant (Ka) indicate?
What does a high acid dissociation constant (Ka) indicate?
What is a zwitterion?
What is a zwitterion?
Which equation can be used to calculate the pH of a buffer solution?
Which equation can be used to calculate the pH of a buffer solution?
Which of the following is a common biological buffer?
Which of the following is a common biological buffer?
Which form of an amino acid predominates at a low pH?
Which form of an amino acid predominates at a low pH?
What is the effect of increasing temperature on chemical equilibrium?
What is the effect of increasing temperature on chemical equilibrium?
What do you call the species that forms when an acid donates a proton?
What do you call the species that forms when an acid donates a proton?
Which of the following amino acids is classified as polar?
Which of the following amino acids is classified as polar?
What happens to the protonation state of amino acids when pH increases above their pKa?
What happens to the protonation state of amino acids when pH increases above their pKa?
Which amino acid has a side chain that can form hydrogen bonds?
Which amino acid has a side chain that can form hydrogen bonds?
Which of the following statements is true regarding weak acids?
Which of the following statements is true regarding weak acids?
What is the primary function of buffers in biological systems?
What is the primary function of buffers in biological systems?
At which pH do amino acids typically exist as zwitterions?
At which pH do amino acids typically exist as zwitterions?
What is the relationship between the pKa of an acid and its strength?
What is the relationship between the pKa of an acid and its strength?
What happens to the equilibrium constant (K) if the concentration of products increases?
What happens to the equilibrium constant (K) if the concentration of products increases?
Which property of water makes it an excellent solvent for polar substances?
Which property of water makes it an excellent solvent for polar substances?
What is the effect of a buffer when an acid is added to a solution?
What is the effect of a buffer when an acid is added to a solution?
Which amino acid is known for its unique cyclic structure?
Which amino acid is known for its unique cyclic structure?
How does pH affect enzyme activity?
How does pH affect enzyme activity?
What type of compound is formed when an acid reacts with a base?
What type of compound is formed when an acid reacts with a base?
Which of the following amino acids is essential for protein synthesis?
Which of the following amino acids is essential for protein synthesis?
What is the primary role of the bicarbonate buffer system in the human body?
What is the primary role of the bicarbonate buffer system in the human body?
Flashcards
Capital of France (example flashcard)
Capital of France (example flashcard)
Paris