Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
The main term of reference in the index is Aneurysm
Extra cranial carotid artery aneurysms ruptures when the blood clots are formed in them. The term aneurysms is a disease that is happening due to the weakness in the wall of artery. The weakened arteries widens out or swells.
Enzymes break up the electrons of water to yield oxygen and hydrogen gas
Well a<span> sperm fertilizes an egg to form a zygote.</span>
