Phenol /chloroform extraction is an easy way to remove proteins from your nucleic acid samples and can be carried out in a manner that is very close to quantitative.t is typically easiest to carry the extraction out in 1.7â2 mL eppendorf tubes. 1  Dilute your nucleic acid sample to 100â700 ÂµL or divide your samples into tubes such that you have no more than 700 ÂµL per tube. 2  It is difficult to do the extraction with volumes smaller than 100 ÂµL.
What are Mexico's major imports? Imports : US$308 billion (world's rank: 13th ). . Major imports : Vehicles and vehicle parts, electric and electronic machinery and equipment, boilers and steam generator â¦ s, engines and engine parts, copper and copper products. .
In 2006, trade with Mexico's two northern partners accounted for almost 90% of its exports and 55% of its imports. Recently, the Congress of the Union approved important tax, pension and judicial reforms, and reform to the oil industry is currently being debated.Mexico had 16 companies in the Forbes Global 2000 list of the world's largest companies in 2008.exico is the biggest exporter and importer in Latin America; in 2005, Mexico alone exported US $213.7 billion, roughly equivalent to the sum of the exports of Brazil, Argentina, Venezuela, Uruguay, and Paraguay.