What Causes copy number alterations? A likely source of copy number variation is incorrect repair of DNA damage. Genomic duplication and triplication of the gene appear to be a rare cause of Parkinson's disease, although more common than point mutations. Is copy number variation bad? Evidence is accumulating that certain CNVs have impact on susceptibility to human diseases such as HIV infection and autoimmune diseases, as well as on adaptability to environmental conditions or nutrition. Can fish detect copy number variation? As Kim Caple, vice president of marketing, microarrays, at Thermo Fisher Scientific, points out: “FISH is visual—subjective.” Although it...

What are the early symptoms of DVT? DVT (deep vein thrombosis)throbbing or cramping pain in 1 leg (rarely both legs), usually in the calf or thigh.swelling in 1 leg (rarely both legs)warm skin around the painful area.red or darkened skin around the painful area.swollen veins that are hard or sore when you touch them. What does DVT pain feel like? Pain is another warning sign of a DVT blood clot. Like swelling, it usually only affects one leg and commonly starts in the calf. The pain may feel more like soreness, tenderness or achiness rather than a stabbing kind of...

What is plastic connector? Plastic connectors offer more options for material selection, user interface and customized design than metal connectors. Plastic tube-to-tube connectors are a popular choice for applications that do not require the disconnection of equipment or parts at any point during production or use. What do you mean by engineering plastics? Engineering plastics are a group of plastic materials that have better mechanical and/or thermal properties than the more widely used commodity plastics (such as polystyrene, PVC, polypropylene and polyethylene). The term usually refers to thermoplastic materials rather than thermosetting ones. What are plastic components? Most plastics contain...

How many people died in Tianjin blast? 173 The final death toll was 173, with many more people injured. More than 100 of the victims were first responders attempting to stop the destruction and save others' lives. In addition to the deaths and injuries that devasted many families, the explosions also destroyed a large amount of equipment. How many firefighters died in Xingang Port oil spill? The massive twin blasts that rocked chemical warehouse at the port city was also disastrous for the country's fire fighting unit as 104 firemen were killed besides 11 police officers and 55 civilians. Is...

What is wrong with tragedy of the commons? The tragedy of the commons is a problem in economics that occurs when individuals neglect the well-being of society in the pursuit of personal gain. This leads to over-consumption and ultimately depletion of the common resource, to everybody's detriment. What is Hardin's tragedy of the commons? In Hardin's classic piece "The Tragedy of the Commons," a commons is a natural resource shared by many individuals. The tragedy is that, in the absence of regulation, each individual will have a tendency to exploit the commons to his/her own advantage, typically without limit. What...