No. DNA is not put together randomly. The sequence of DNA is specific to the genes that control the cell's activities and heredity. Each gene has its unique sequence.
Rungs.
The steps of a ladder are called rungs.
rungs
rungs
Rungs
rungs
They are called Rungs
There is no word like lader. If you meant ladder, the steps of a ladder are called rungs.
The "rungs" of DNA are the nitrogenous bases (Adenine, Thymine, Cytosine and Guanine). To make the rungs - A binds to T and C binds to G.
The steps on a ladder are called rungs (rung, singular)
They were called "rings", but people pronounced it as " rung" a lot
22 rungs