Which of the following best explains why RNA, rather than DN…

Which of the following best explains why RNA, rather than DNA, is thought to have been the first genetic material in early cells? A. RNA is more stable than DNA and can survive harsh conditions B. RNA is double-stranded, which makes it better at storing genetic information C. RNA can both store genetic information and catalyze chemical reactions D. DNA could not exist until proteins were present to help build it

Which of the following best explains how the first cell memb…

Which of the following best explains how the first cell membranes may have formed before enzymes existed? A. Protein enzymes created the membranes from RNA B. DNA strands built the membrane using amino acids C. Lipid molecules naturally arranged themselves into a membrane-like structure D. Water molecules surrounded proteins to create a boundary

The nurse receives an order to infuse 500 mL of NaCl over 4…

The nurse receives an order to infuse 500 mL of NaCl over 4 hours for a patient who is experiencing dehydration. The nurse identifies that the drop factor for the available infusion set is 20 gtt/mL. Question: The nurse recognizes that ____ gtt/min will deliver the infusion within the prescribed time. Round to the nearest whole number. Enter numeric value only.