<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:
Intelligent Design
Some scientists who are Christians have developed a theory called Intelligent Design to explain the creation and development of life on earth.
However, in my opinion its complete nonsense
Hey there!!
There are three points which help us to identify a plant cell
( 1 ) Check whether chlorophyll is present
( 2 ) The vacuoles would be large
( 3 ) The cell wall would be present
Hope helps!
Answer:
The DNA testing process is comprised of four main steps, including extraction, quantitation, amplification, and capillary electrophoresis.
Explanation:
1. Separate white and red blood cells with a centrifuge.
2. Extract DNA nuclei from the white blood cells. ...
3. Cut DNA strand into fragments using a restriction enzyme.
4. Place fragments into one end of a bed of agarose gel with electrodes in it. 5. Use an electric current to sort the DNA segments by length.
The amino acid sequence of a protein which is referred to as its primary structure determines the structure or folding pattern of that protein