Dissolving doe not indicate or guarantee a chemical change. Most of the time it is a physical change.
Unchanged solid in a liquid does not even indicate any change.
Solid floating on top of liquid does not indicate any change, physical or chemical.
When a mixture creates a new compound (gas from mixing solid and liquid), there is a chemical change.
<span>The
most important estrogen is estradiol and the most important androgen is
testosterone.</span>
Testosterone
is the primary steroid male sex hormone. Its function is to control the development
of male reproductive tissues, to promote secondary sexual characteristics to
maintain health (the prevention of osteoporosis for example). It is synthesized
from cholesterol and it achieves its effects by binding to androgen receptors
on different tissues.
Answer: The main function of NADH is the formation of energy in the form of Adenine tri phosphate (ATP).
Explanation:
In ATP production, the transfer of electron occurs by the NADH molecule. It also necessary for the reaction that occurs in the storage of energy molecules. NADH stands for nicotinamide adenine dinucleotide hydrogen. It produces energy through oxidation reduction reaction.
