The plus strand is the same as the sense strand and can also be called the coding or non-template strand. This is the strand that has the same sequence as the mRNA (except it has Ts instead of Us)....
DNA is in an antiparallel double helical form. That means the rungs of the DNA "staircase" are complementary to each other, but their backbones are reverse of each other (see diagram)....
There is no such thing called a DNA nucleus. I assume you mean DNA found in the nucleus. The DNA that's found in the nucleus are many DNA strands all bunched up.
The new strands have new complementary bases on one side and the other is made of the original strand. A strand of DNA has two strands that are complementary to each other in a double helix. When it...