Podcast
Questions and Answers
What process is activated by insulin in the liver?
What process is activated by insulin in the liver?
- Glycogenolysis
- Synthesis of glycogen (correct)
- Ketone body formation
- Gluconeogenesis
What is the effect of insulin on glycogenolysis in the liver?
What is the effect of insulin on glycogenolysis in the liver?
- It is inhibited (correct)
- It is not affected
- It is activated
- It is variable
What type of bonds link the two polypeptide chains in insulin?
What type of bonds link the two polypeptide chains in insulin?
- Peptide bonds
- Ionic bonds
- Disulphide bridges (correct)
- Hydrogen bonds
What is the effect of insulin on triglyceride utilisation in muscle?
What is the effect of insulin on triglyceride utilisation in muscle?
What is the effect of cortisol on glucose metabolism in the liver?
What is the effect of cortisol on glucose metabolism in the liver?
What is the effect of insulin on glucose uptake in adipose tissue?
What is the effect of insulin on glucose uptake in adipose tissue?
What is the effect of adrenaline on glucose metabolism in muscle?
What is the effect of adrenaline on glucose metabolism in muscle?
What is the effect of insulin on lipolysis in adipose tissue?
What is the effect of insulin on lipolysis in adipose tissue?
How many disulphide bridges are present in the insulin molecule?
How many disulphide bridges are present in the insulin molecule?
What is unique about the structure of insulin?
What is unique about the structure of insulin?
What is the initial form of insulin synthesized on ribosomes?
What is the initial form of insulin synthesized on ribosomes?
What is the function of the pre-part in pre-proinsulin?
What is the function of the pre-part in pre-proinsulin?
What is removed from the pre-proinsulin molecule once it enters the endoplasmic reticulum?
What is removed from the pre-proinsulin molecule once it enters the endoplasmic reticulum?
What is the resulting molecule after the signal peptide is removed?
What is the resulting molecule after the signal peptide is removed?
What is the function of proinsulin folding?
What is the function of proinsulin folding?
Where is proinsulin transported to after folding?
Where is proinsulin transported to after folding?
What occurs in the storage vesicles?
What occurs in the storage vesicles?
What is the function of C-peptide in the plasma?
What is the function of C-peptide in the plasma?
What is released during insulin secretion?
What is released during insulin secretion?
What is the purpose of measuring plasma C-peptide levels in patients receiving insulin?
What is the purpose of measuring plasma C-peptide levels in patients receiving insulin?
What is the form in which insulin is stored in -cell storage granules?
What is the form in which insulin is stored in -cell storage granules?
What happens to insulin when it is released from the -cell storage granules?
What happens to insulin when it is released from the -cell storage granules?
What is the primary function of insulin in the body?
What is the primary function of insulin in the body?
What are the major target tissues for insulin action?
What are the major target tissues for insulin action?
What is the effect of insulin on carbohydrate metabolism?
What is the effect of insulin on carbohydrate metabolism?
How does insulin interact with its target cells?
How does insulin interact with its target cells?
What is the time frame in which insulin's effects occur?
What is the time frame in which insulin's effects occur?
What is the result of insulin's action on its target tissues?
What is the result of insulin's action on its target tissues?
What is the primary structure of glucagon?
What is the primary structure of glucagon?
What is the effect of insulin on glucose transport in adipose tissue and skeletal muscle?
What is the effect of insulin on glucose transport in adipose tissue and skeletal muscle?
What happens to the pre-proglucagon molecule during post-translational processing?
What happens to the pre-proglucagon molecule during post-translational processing?
What is the effect of insulin on glycogenolysis in liver and muscle?
What is the effect of insulin on glycogenolysis in liver and muscle?
What is the effect of insulin on lipolysis in adipose tissue?
What is the effect of insulin on lipolysis in adipose tissue?
What is the effect of glucagon on glycogenolysis in the liver?
What is the effect of glucagon on glycogenolysis in the liver?
What type of receptor does glucagon bind to?
What type of receptor does glucagon bind to?
What is the effect of insulin on glycolysis in liver and adipose tissue?
What is the effect of insulin on glycolysis in liver and adipose tissue?
What is the effect of glucagon on lipolysis in adipose tissue?
What is the effect of glucagon on lipolysis in adipose tissue?
What is the effect of insulin on protein synthesis in liver, muscle, and adipose tissue?
What is the effect of insulin on protein synthesis in liver, muscle, and adipose tissue?
What is the effect of glucagon on gluconeogenesis in the liver?
What is the effect of glucagon on gluconeogenesis in the liver?
What is the effect of insulin on lipoprotein lipase activity in the capillary bed of tissues such as adipose tissue?
What is the effect of insulin on lipoprotein lipase activity in the capillary bed of tissues such as adipose tissue?
Which of the following hormones stimulates insulin secretion?
Which of the following hormones stimulates insulin secretion?
What is the effect of glucagon on ketogenesis in the liver?
What is the effect of glucagon on ketogenesis in the liver?
What is the primary factor that increases the rate of glucagon secretion?
What is the primary factor that increases the rate of glucagon secretion?
What is the primary function of insulin in the body?
What is the primary function of insulin in the body?
What is the effect of insulin on gluconeogenesis in liver?
What is the effect of insulin on gluconeogenesis in liver?
What enzyme is activated by the binding of glucagon to its receptor?
What enzyme is activated by the binding of glucagon to its receptor?
