17.6- Target cells, degree of cellular response Flashcards
1
Q
Up-regulation
A
When a cell increases receptors for a specific type of hormone to increase its sensitivity to it.
2
Q
Down-regulation
A
When a cell decreases receptors for a specific hormone and reduces a target cells sensitivity to a hormone.
3
Q
What does permissively mean in regards to hormones?
A
The hormone that is being permitted requires the presence of another hormone to have the desired effect o the target cell.
4
Q
What is a hormone analog?q
A
A drug designed with a specific shape so that it can stimulate the functions within a cell that are caused by the hormone with the same shape.