How are elements organized on the periodic table? select all that apply.

Select the best answer for the question, ly 12. which of the following behaviors is not an inherited behavior?

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

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.