bio final review unit 9
epinephrine from the adrenal medulla
A man driving through his neighborhood suddenly jams on his car brakes to avoid hitting a child who runs into the road after a ball. A few seconds later, the driver finds that he is shaking and his heart is pounding. This is primarily due to the secretion of which one of the following?
target cells display the appropriate receptor for a particular hormone
Hormones act upon specific target cells because:
goiter
In certain areas of the world where rainfall is high, certain nutrients, including iodine, are leached (removed) from the soil. A person living in such an area might experience which of the following conditions?
dwarfism
Insufficient production of growth hormone by the anterior pituitary may result in
true
Steroid hormones bind to receptors in the nucleus to activate or deactivate genes.
4,3,2,5,1
The following is a list of events involved in the activation of a cell by a steroid hormone. Which one of the following answers best represents the order in which the steps occur? 1 - cellular response to the hormone 2 - activation of a gene 3 - formation of a hormone-receptor complex 4 - diffusion of the hormone through a target cell membrane 5 - production of a protein
estrogen and progesterone
The ovaries of women function as endocrine organs by producing
melatonin
When you close your eyes at night, the pineal gland gives off __________, a hormone that allows us to manage our circadian rhythm.
The hormones that have been coursing through your body first have to stop being released, and then your body has to break them down
Why does it take awhile to calm down after experiencing stress/panic?
e
the liver converts stored glycogen to glucose