Which of the following is an important distinction between growth factors and hormones?
Posted on | September 27, 2009 |
A) their mode of action
B) their chemical composition
C) how they reach their target cells
D) the kinds of cells that produce them
E) the amount of time during which they are effective
If you can explain why you picked that answer it will help me with my confusion. Thanks!!!
Category: Growth Hormone Questions
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September 27th, 2009 @ 6:02 am
a. The function of hormones is to serve as a signal to the target cells; the action of hormones is determined by the pattern of secretion and the signal transduction of the receiving tissue.
Growth factors are proteins that bind to receptors on the cell surface, with the primary result of activating cellular proliferation and/or differentiation.