Out of the choices given, the mechanisms that drives evolution is natural selection. The correct answer is B, natural selection.
14. It would indirect and 15. Direct
A) Genetic Engineering; this is the logical and « real » choice.
Agarose<span> is a polysaccharide that can be used to form a </span>gel<span> to separate molecules based on size. </span><span>Small DNA fragments wiggle through the pores in the </span>agarose gel<span> faster than longer fragments.</span>
Perhaps solvent and solute
