Gel electrophoresis is used to separate things (DNA, RNA, or proteins) by their size. Gel electrophoresis is used to separate things (DNA, RNA, or proteins) by their size. For example, say you have a sample of protein that you have prepared accordingly and want to separate by size. You would run it through a gel, and after a designated amount of time, would view the progress that the protein has made through the gel, and then image the gel.
Most states require plumbers to be licensed, and they typically provide a number you can call to verify that the license is current and that there are no active complaints against it. Any plumber you consider should also hold a current workers' compensation policy and a minimum of $500,000 liability insurance. All states issue plumbing-contractor licenses, and the licensing board can confirm a plumber's legitimacy.
If youâre sued, general liability insurance will cover the cost of your damages or settlement fees and attorney fees up to the policy maximum. So, if you buy a $1 million policy and the settlement is $1.5 million, youâll be on the hook for the remaining $500,000.owever, general liability insurance is still affordable. Most contractors pay from $700 to $1,200 per year for general liability insurance. The payments are usually structured as a down payment of several hundred dollars and monthly payments spread out over nine or ten months.