week 5 - peptide hormones Flashcards
1
Q
how are peptide hormones transported in blood plasma
A
unbound (freely) without blood carrier proteins
2
Q
are peptide hormones hydrophobic or hydrophilic
A
hydrophilic
3
Q
where are peptide hormones secreted
A
by pituitary, parathyroid, heart, stomach, liver, kidneys
4
Q
why can synthetic peptide hormones not be administered orally
A
they are very susceptible to degradation in the GI tract
5
Q
what are peptide hormones composed of
A
a linear chain
ring structure due to disulfide bonds
2 chains