Mycorrhizae:
A. are vital for the survival of lichens
B. are vital for the survival of many plants
C. increase the absorptive ability of roots.
D. are used in the production of wine, beer, and bread
E. are vital for the survival of many plants AND increase the absorptive ability of roots.

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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."