Osmosis Scenario: Fluid movement into the brain after traumatic brain injury can result in dangerous brain swelling. One treatment that can be used in some of these cases is adding a (hypertonic or hypotonic) saline. Remember, you are trying to reduce the excessive fluid in the brain.

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."

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.