2. the earth and mars are? 3. this is a line on a map that goes from north to south? 4. this is an imaginary line on a map that goes from east to west? 5. is the force that makes planets spherical. 6. this is a line of latitude that is degrees? 7. a circle has because when you cut it in half , onr side is a mirror image of the other side. 8. half of the earth is called a

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.