<span>Norepinephrine uses the Second
Messenger System, which means, cells signal to each other what molecules have
been released that will trigger a physiological reaction. </span>
<span>
This phenomenon is activated after the ligand (ion or molecule) is bonded to its receptor
(protein molecule), creating a variation that causes a chain-reaction, that will
finally activate the Second Messenger. The latter will activate intercellular
molecules that will be able to control the cell’s activity. </span>
Answer:
- (b)
- (c)
- (a)
- (b)
- (d)
- (d)
Explanation:
1.
I saw the similarity that there are 7 periods in a periodic table and 7 days in a week.
2.
The periodic table tells us both the symbol and atomic number of the elements.
3.
days as there are 7days in a week.
4.
vertical columns are called groups.
5.
seeing the periodic table we can locate it postion that is group 16 period 2.
CONCLUSION :-
1. all the given points tell the properties of periodic table.
Lay down and take some ibeprofun or drink some water?
The answer that best fits the blank is "RELIABLE, BUT NOT A VALID". Sir Francis Galton is a known anthropologist and eugenicist, and for him, skull size in relation to intelligence might be reliable, but this do not have any evidence to be considered valid.
Answer:
The organic evolution are basically different from all the other form of the evolution as, the concept of organic evolution explain the origin of the life. It is the events which basically involve in evolutionary development of many species.
It also specifically involve in the modification of various existing species in the nature not only focus on the new development.
According to the theory of the organic evolution, the world are not created it is evolved with the branch of the life science.