To distinguish between nitrite ion (NO2-) and nitrate ion (NO3-), we can follow these steps:Step 1: Understanding the Ions - Nitrite Ion (NO2-): This ion has one nitrogen atom bonded to two oxygen atoms. - <str
The resulting DNA was extracted once with an equal volume of chloroform and three times with phenol/chloroform (1:1) and precipitated with 2 volumes of EtOH at −20°C overnight. The DNA pellet was centrifuged for 15 min at 14,000 × g, washed with 70% ethanol, dried, and ...