Question

The triangle X Y Z has X Y = Y Z. The triangle is right-angled at Y. If the area of the triangle is 32 centimetre squared. What is the length of X Y *

Answer 1

Answer:

The three-dimensional structure of a double-stranded DNA molecule may be described by distinguishing the helical turns of the DNA duplex from any superhelical turns that might be superimposed upon the duplex turns. ... These results are interpreted as showing that human DNA is supercoiled.