27. Insulin and Glucagon Flashcards
1
Q
two polypeptide chains with 51 amino acids
linked by 2 disulfide bridges
A
insulin
2
Q
singly polypeptide with 29 amino acids
A
glucagon
3
Q
second messenger of
insulin
A
tyrosine kinase
4
Q
second messenger of
glucagon
A
cAMP
5
Q
stimulus for secretion of glucagon
A
actual or potential hypoglycemia
6
Q
stimulus for secretion
of insulin
A
- ingestion of glucose and amino acids
- cholecystokinin and
- gastric inhibitory peptide
7
Q
pathways
increased
insulin
A
glucose uptake
glycogenesis
protein synthesis
lipogenesis
8
Q
pathways
increased
glucagon
A
gluconeogenesis glycogenolysis uptake of amino acids beta oxidation ketogenesis
9
Q
pathways
decreased
insulin
A
gluconeogenesis
glycogenolysis
beta oxidation
10
Q
pathways
decreased
glucagon
A
glycogenesis
11
Q
chemicals with similar effect with glucagon
A
epinephrine
cortisol
growth hormone
