Lecture 19

Question 1

polypeptide hormones are made up of how many aa

Answer 1

<100

Question 2

protein hormones are made up of how many aa

Answer 2

> 100

Question 3

this class of hormones is made from cholesterol, is lipid soluble and can diffuse readily.

Answer 3

steroids

Question 4

this hormone is derived from tyrosine, and contains catecholamines formed in adrenal medulla.

Answer 4

amines

Question 5

there are 4 kinds of hormone receptors

Answer 5

ion channel, GPCR, intracellular, enzyme linked

Question 6

this is an example of a positive feedback mechanism

Answer 6

LH surge prior to ovulation

Question 7

these two types of hormones act directly on DNA

Answer 7

steroid and thyroid

Question 8

the anterior pituitary releases

Answer 8

HGF, ACTH, TSH, LH and FSH, prolactin

Question 9

the posterior pituitary releases

Answer 9

ADH and oxytocin

Question 10

ADH is formed in the __ of the PP

Answer 10

supraoptic nuclei

Question 11

oxytocin is formed in the ___ of the PP

Answer 11

paraventricular nuclei

Question 12

growth, protein synthesis, fatty acid mobilization, decreases glucose utilization, causes liver to form somtomedins

Answer 12

growth hormone functions

Question 13

factors known to stimulate secretion of GH

Answer 13

starvation, hypoglycemia, exercise, excitement, ghrelin