That means Jamal can move the purple car to point A or point B, or he can move the green car to point C or point D??

What is the one part of the nucleotide  that differs among the other different nucle  tides?

What is gene expression control that occurs after the generation of rna

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.