Both plant and animal cells have a nucleus. A. True B false

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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."

the answer is: metamorphic rocks often show the presence of fossils, also a

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-lavira: )

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.