45.1 chemical classes of hormones Flashcards
1
Q
3 groups
A
1- polypeptides (proteins and peptides)
2- amines
3- steroids
2
Q
insulin
A
polypeptide (water soluble)
- 2 polypeptide chains
- made from cleavage of a longer protein chain
3
Q
epinephrine
A
amine hormone (water soluble) -synthesized from a single amino acid = tyrosine and tryptophan
4
Q
thyroxine
A
amine hormone (lipid soluble) -synthesized from a single amino acid = tyrosine and tryptophan
5
Q
cortisol
A
steroid hormone (lipid soluble) -can cross cell membrane
6
Q
lipid vs water soluble affect
A
correlates with location of receptors in target cells