A75-year-old client has a baseline blood pressure of 140/90 mm hg. the nurse obtains a sitting blood pressure in the client's left arm, and the reading is 160/100 mm hg. what action should the nurse take next?

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

. ph changes the ability of them he enzyme to dissolve in water.