Please help. i do not know the definition to these will anybody help me.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Which direction does the energy flow in this energy pyramid ?

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)