Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
Which of the following is NOT true about glucagon?
Which of the following is NOT true about glucagon?
- It is produced in the alpha cells of the pancreas
- It inhibits glycogenolysis (correct)
- It is released in response to low blood glucose level ( hypoglycaemia)
- It is a peptide hormon
In a G protein coupled receptor (GPCR):
In a G protein coupled receptor (GPCR):
- The G protein alpha subunit is activated by binding with GTP (correct)
- ) The G protein alpha subunit is activated by binding with GDP
- The G protein is activated by binding of insulin to its receptor
- The G protein receptor is only found in liver cells
cAMP is crucial for regulating the action of epinephrine
because:
cAMP is crucial for regulating the action of epinephrine because:
- ) It activates protein kinase A (PKA) (correct)
- ) it inactivates PKA
- cAMP is not required for the action of epinephrine
- ) cAMP is removed by epinephrine
Which out of the following statements is true about Gprotein coupled receptors?
Which out of the following statements is true about Gprotein coupled receptors?
Signup and view all the answers
Protein kinase A is _________
Protein kinase A is _________
Signup and view all the answers
Which of the following catalyses the cutting of PIP2
into IP3 and diacylglycerol in cell signalling?
Which of the following catalyses the cutting of PIP2 into IP3 and diacylglycerol in cell signalling?
Signup and view all the answers
A hormone can be considered as ___________
A hormone can be considered as ___________
Signup and view all the answers
. Which second messenger signals the release of Ca+2
from endoplasmic reticulum?
. Which second messenger signals the release of Ca+2 from endoplasmic reticulum?
Signup and view all the answers
. Glycogen phosphorylase kinase has its activity increased by
. Glycogen phosphorylase kinase has its activity increased by
Signup and view all the answers
How does epinephrine release glucose so
quickly?
How does epinephrine release glucose so quickly?
Signup and view all the answers
