Podcast
Questions and Answers
Which enzyme is responsible for converting proinsulin into insulin?
Which enzyme is responsible for converting proinsulin into insulin?
- Trypsin (correct)
- Pepsinogen
- Trypsinogen
- Pepsin
What can happen when the secretion duct in the pancreas is blocked?
What can happen when the secretion duct in the pancreas is blocked?
- Prevention of enzyme secretion
- Activation of zymogens (correct)
- Digestion of proteins
- Synthesis of gallstones
Which enzyme converts pepsinogens into pepsins in the gastric lumen?
Which enzyme converts pepsinogens into pepsins in the gastric lumen?
- Trypsin
- Trypsinogen
- Pepsin (correct)
- Pepsinogen
What is the function of zymogen granules in the cells of the pancreas?
What is the function of zymogen granules in the cells of the pancreas?
Which vitamin participates in the synthesis of blood coagulation factors?
Which vitamin participates in the synthesis of blood coagulation factors?
What is the role of caspases in apoptosis?
What is the role of caspases in apoptosis?
What is the purpose of converting procollagenase into collagenase in mammalian uterus after delivery?
What is the purpose of converting procollagenase into collagenase in mammalian uterus after delivery?
Which of the following is a characteristic of coenzymes?
Which of the following is a characteristic of coenzymes?
What is the role of biotin as a coenzyme?
What is the role of biotin as a coenzyme?
What is a zymogen?
What is a zymogen?
How does proteolytic cleavage differ from allosteric control and reversible covalent modification?
How does proteolytic cleavage differ from allosteric control and reversible covalent modification?
Which of the following enzymes is synthesized as a zymogen in the pancreas?
Which of the following enzymes is synthesized as a zymogen in the pancreas?
What is the role of enteropeptidase in enzyme activation?
What is the role of enteropeptidase in enzyme activation?
What is a common characteristic of zymogens?
What is a common characteristic of zymogens?
Which of the following is NOT an example of a cofactor?
Which of the following is NOT an example of a cofactor?
What is the physiological relevance of a zymogen?
What is the physiological relevance of a zymogen?
What is apoptosis?
What is apoptosis?
How are enzymes regulated?
How are enzymes regulated?
Which of the following is NOT a metal cofactor?
Which of the following is NOT a metal cofactor?
What is the role of coenzymes in enzyme activity?
What is the role of coenzymes in enzyme activity?
What is the function of a holoenzyme?
What is the function of a holoenzyme?
Which type of enzymes change shape upon binding an effector and can modify the maximal catalytic activity of the enzyme?
Which type of enzymes change shape upon binding an effector and can modify the maximal catalytic activity of the enzyme?
What is the function of homotropic effectors in allosteric enzymes?
What is the function of homotropic effectors in allosteric enzymes?
Which type of effectors are different from the substrate in allosteric enzymes?
Which type of effectors are different from the substrate in allosteric enzymes?
What is the main mechanism of covalent modification of enzymes?
What is the main mechanism of covalent modification of enzymes?
Which amino acids are commonly phosphorylated in covalent modification of enzymes?
Which amino acids are commonly phosphorylated in covalent modification of enzymes?
What is the function of kinases in covalent modification of enzymes?
What is the function of kinases in covalent modification of enzymes?
What is the main mechanism of regulating enzyme synthesis?
What is the main mechanism of regulating enzyme synthesis?
When are enzymes subject to synthesis regulation?
When are enzymes subject to synthesis regulation?
Which type of regulation of enzyme activity is slower compared to allosteric or covalent regulation?
Which type of regulation of enzyme activity is slower compared to allosteric or covalent regulation?
