Reverse transcriptase is the viral enzyme responsible for making a DNA copy of the RNA genome from a retrovirus. As such, it is technically known as an RNA-dependent DNA polymerase. This is opposite to the usual flow of genetic information from DNA to RNA to protein.
The Best Bikes of 2015-2016 >>>. There are plenty of ways to enjoy a warm spring afternoon, but riding a bike is one of the most active ways to spend your leisure time. According to NutriStrategy, a relaxing bike ride (<10 mph) burns more calories than an easy walk (2 mph)â281 calories versus 176 calories per hour. Challenge yourself by powering your way up hills and pushing your speed over 10 mph, but even keeping to a leisurely pace is a great way to supplement an active lifestyle.
Distance covered. Average speed varies to an extent with distance covered. Rides less than an hour or so in length will usually have a slightly lower average, because the first part of a ride is slower as your legs warm up. Rides between one and two hours usually have the greatest overall speed.Then for longer rides the average will often start to fall slightly, as fatigue plays an increasing role. For many of us rides over about three hours can become very tiring (assuming a reasonable sustained effort during those three hours!).ides between one and two hours usually have the greatest overall speed. Then for longer rides the average will often start to fall slightly, as fatigue plays an increasing role. For many of us rides over about three hours can become very tiring (assuming a reasonable sustained effort during those three hours!).