Answer: In the field of molecular biology the correct sequence of events are as follows:
1. Gregor Mendel proves the Laws of Inheritance in 1865.
2. Friedrich Miescher conducted experiments to identify nuclein as the building blocks of life in 1869.
3. James Watson and Francis Crick presented a model of DNA in 1953.
4. Frederick Sanger developed a method for sequencing DNA in 1977.
1) Angiosperm derived characteristics
2) Evolution
3) Classification
Close suction drains play very crucial in surgical wound healing. It is important that the wound suction drain works properly because the proper healing of the wound depend on it. If the wound suction drain do not work properly, it will be difficult to obtain accurate recording of the volume and the contents of the drainage that is coming out from the wound. Thus, it will be difficult to monitor for excessive bleeding, infections and things like that which may prevent proper healing.