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 the United States and Canada accounted for almost 50% of Mexico's exports and 45% of its imports. During the first three quarters of 2010, the United States had a $46.0 billion trade deficit with Mexico. In August 2010 Mexico surpassed France to became the 9th largest holder of US debt.exico has the 23rd highest income from tourism in the world, and the highest in Latin America. The vast majority of tourists come to Mexico from the United States and Canada followed by Europe and Asia.