Peptide Hormones

Question 1

Peptide hormones are “hydrophobic/hydrophilic”

Answer 1

Hydrophilic

Question 2

Peptide hormones are transported _ through the blood stream, without the need for _

Answer 2

Unbound; carrier proteins

Question 3

Peptide hormones have very short-

Answer 3

Biological half-lives

Question 4

Peptide hormones are the _ category of hormones produced

Answer 4

Largest

Question 5

Most peptide hormones bind to what type of receptors?

Answer 5

Membrane bound receptors (GPCRs and Kinase-linked)

Question 6

Peptide hormones are secreted by-

Answer 6

Pituitary, parathyroid, heart, stomach, liver, kidneys

Question 7

Sythetic peptide hormones cannot be administered orally because-

Answer 7

They are susceptible to degradation in the GI tract

Question 8

What type of bond causes the 2 chains in insulin?

Answer 8

Disulfide

Question 9

What type of bond causes the ring structure in soma satin?

Answer 9

Peptide

Question 10

How can different hormones result from the same pro protein?

Answer 10

By cleaving a common precursor with a different enzyme