Hormones (including Neurohormones):
1.are released from the source cell into the interstitial fluid where they diffuse to the target cell.
2.pass from the source cell to the target cell via Gap Junctions connecting the two cells.
3.are carried by the bloodstream from the source cell to the target cells some distance away from their site of release.
4.are also known as Second-messengers.
5.None of these is correct.
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The kidneys are located
A) anterior to the colon and pancreas. B) medial to the aorta. C) at the level between T10 and L1. D) retroperitoneally. E) None of the answers are correct.
All of the following properties are associated with water except:
What will be an ideal response?
A particular membrane transport process exhibits saturation, uses carrier molecules, but does NOT require ATP. The process is probably ________.
A. osmosis B. phagocytosis C. pinocytosis D. active transport E. facilitated diffusion
Embryonic development begins with
A. the third week and lasts until the end of the second month. B. the third day and lasts until birth. C. fertilization and lasts until the end of the first week. D. the second week and lasts until the end of the seventh month.