10 Questions
Which hormone is synthesized from cholesterol and not stored?
Thyroxine
Where are epinephrine and norepinephrine formed and stored?
Adrenal Medulla
Which hormone is part of the Secretin-Glucagon Family?
Gastric inhibitory polypeptide (GIP)
Which hormone is synthesized from tyrosine?
Norepinephrine
Which hormone is known as Human placental lactogen (HPL)?
Chorionic somatomammotrophin (HCS)
Which part of the G protein–linked hormone receptor is coupled to G proteins?
The part protruding into the cell cytoplasm
What occurs when a ligand (hormone) binds to the extracellular part of the G protein–linked hormone receptor?
Conformational change in the receptor activates G proteins and induces intracellular signals
Where is the hormone-binding site located in enzyme-linked hormone receptors?
On the outside of the cell membrane
What happens when a hormone binds to the extracellular part of an enzyme-linked hormone receptor?
An enzyme immediately inside the cell membrane is activated
Which type of receptor is exemplified by the leptin receptor?
Enzyme-linked receptor
Test your knowledge of peptide and steroid hormones with this quiz. Explore the synthesis and secretion of hormones from the Secretin-Glucagon, Growth Hormone, and Neurohypophyseal families.
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