Podcast
Questions and Answers
What is the main function of starch in plants?
What is the main function of starch in plants?
Which type of bond joins the glucose units in amylose?
Which type of bond joins the glucose units in amylose?
What is the approximate ratio of amylose to amylopectin in most starches?
What is the approximate ratio of amylose to amylopectin in most starches?
Which polysaccharide constitutes almost half of the cell-wall material of wood?
Which polysaccharide constitutes almost half of the cell-wall material of wood?
Signup and view all the answers
What type of bond joins the glucose units in cellulose?
What type of bond joins the glucose units in cellulose?
Signup and view all the answers
In which cells is glycogen primarily stored in the body of a well-nourished adult human?
In which cells is glycogen primarily stored in the body of a well-nourished adult human?
Signup and view all the answers
What gives identity to an amino acid?
What gives identity to an amino acid?
Signup and view all the answers
Which type of amino acid has an additional carboxyl group?
Which type of amino acid has an additional carboxyl group?
Signup and view all the answers
What is the configuration of the vast majority of α-amino acids at the α-carbon?
What is the configuration of the vast majority of α-amino acids at the α-carbon?
Signup and view all the answers
Which amino acid is achiral and does not have a stereocenter?
Which amino acid is achiral and does not have a stereocenter?
Signup and view all the answers
In which form are amino acids properly written, indicating their charges?
In which form are amino acids properly written, indicating their charges?
Signup and view all the answers
Proline is considered a __________ amino acid because it does not follow the formula for a primary amino acid.
Proline is considered a __________ amino acid because it does not follow the formula for a primary amino acid.
Signup and view all the answers
What is the function of a cofactor in an enzyme?
What is the function of a cofactor in an enzyme?
Signup and view all the answers
What is the Apoenzyme part of an enzyme composed of?
What is the Apoenzyme part of an enzyme composed of?
Signup and view all the answers
What happens when enzyme concentration increases according to Loyola’s statement?
What happens when enzyme concentration increases according to Loyola’s statement?
Signup and view all the answers
What occurs when the optimal temperature for an enzyme-catalyzed reaction is exceeded?
What occurs when the optimal temperature for an enzyme-catalyzed reaction is exceeded?
Signup and view all the answers
Which part of the enzyme is responsible for binding with the substrate during a reaction?
Which part of the enzyme is responsible for binding with the substrate during a reaction?
Signup and view all the answers
What effect does pH have on the rate of an enzyme-catalyzed reaction?
What effect does pH have on the rate of an enzyme-catalyzed reaction?
Signup and view all the answers
What is the typical range of carbon atoms found in fatty acids?
What is the typical range of carbon atoms found in fatty acids?
Signup and view all the answers
Which of the following fatty acids is considered rare due to its trans isomer predominance?
Which of the following fatty acids is considered rare due to its trans isomer predominance?
Signup and view all the answers
Why do unsaturated fatty acids generally have lower melting points compared to saturated fatty acids?
Why do unsaturated fatty acids generally have lower melting points compared to saturated fatty acids?
Signup and view all the answers
What type of compounds are triglycerides and what are they composed of?
What type of compounds are triglycerides and what are they composed of?
Signup and view all the answers
Why are only even-numbered fatty acids found in triglycerides?
Why are only even-numbered fatty acids found in triglycerides?
Signup and view all the answers
Why are triglycerides considered the most common lipid materials?
Why are triglycerides considered the most common lipid materials?
Signup and view all the answers
What happens when a strong acid is added to an amino acid zwitterion?
What happens when a strong acid is added to an amino acid zwitterion?
Signup and view all the answers
At low pH, what is the protonation status of the amino and carboxyl groups in an amino acid?
At low pH, what is the protonation status of the amino and carboxyl groups in an amino acid?
Signup and view all the answers
What is the acidic form of an amino acid zwitterion at high pH?
What is the acidic form of an amino acid zwitterion at high pH?
Signup and view all the answers
What defines the isoelectric point of an amino acid?
What defines the isoelectric point of an amino acid?
Signup and view all the answers
What happens when a strong base is added to an amino acid zwitterion?
What happens when a strong base is added to an amino acid zwitterion?
Signup and view all the answers
What do low and high pH values correspond to in terms of the protonation status of an amino acid?
What do low and high pH values correspond to in terms of the protonation status of an amino acid?
Signup and view all the answers