Mutation is a change in DNA, the hereditary material of life. An organism's DNA affects how it looks, how it behaves, and its physiology  all aspects of its life. So a change in an organism's DNA can cause changes in all aspects of its life.
continuously variable transmission (CVT)=An automatic transmission that can change seamlessly through an infinite number of effective gear ratios between maximum and minimum values. Automatic transmission= Automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually.
Regadenoson (INN, code named CVT-3146) is an A2A adenosine receptor agonist that is a coronary vasodilator.egadenoson has a 2- to 3-minute biological half-life, as compared with adenosine 's 10-second half-life. Regadenoson stress protocols using a single bolus have been developed, obviating the need for a 4-6 minute continuous infusion.