Aprimary healthcare provider decides to omit a treatment that was part of a course of chemotherapy for a client because the client demonstrates myelosuppression. what information would be appropriate for the nurse to give to the client regarding myelosuppression

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.