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. .
The country has converted itself from an inward-oriented economy to one in which export production is the main source of economic growth. In 2000, the share of international trade in MexicoÃ¢Â¡Ã¢Â¯s GDP was 32%, up from 11% in 1980. The most dynamic exporters in Mexico are in-bond assembly plants, known as maquiladoras. These plants import parts and components from abroad, assemble the inputs into final goods, and then export their output. They are most active in the electronics, auto parts, and apparel industries.