More than 1 million atoms lined up side by side would equal the thickness of a book page. The modern atomic theory was proposed in 1803 by English chemist John Dalton. His premise is based on the fact that all elements are composed of atoms. An atom is defined as the smallest part of an element. It also keeps the identity of the element. Individual atoms are very small. Most elements in their pure form exist as individual atoms. Some elements are made up of groups of atoms.
It can also be recharged by adding a third phosphate after the phosphate is removed creating ADP (adenosine diphosphate)
I thinking the answer was for some genes, both alleles express together. Others combine to give an average phenotype....
The root word of Unicellular already tells you the answer. Uni means only one cell. So the answer is one cell.
A downhill skier traveling down a hill has a large amount of kinetic energy because of their mass and high velocity.
