He mitochondrion in a cell is most like a( in its function. a) brain b) brick c) engine d) rusty nail

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The answer is c because the definition of a mitochondria is the power house of the cell it creates the energy for the cell to function.

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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."