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. .
Canada and Mexico are the two largest suppliers of U.S. agricultural imports. Canada and Mexico remain the United States' largest suppliers of agricultural products ($22.2 billion and $19.3 billion in 2013-15 respectively), mostly consumer-oriented goods such as horticultural products, red meats, and snack foods.