On average, a wind turbine can produce 36,000 kilowatt-hours per day when the blades are constantly rotating. A typical household in the United States consumes 10,000 kilowatt-hours per year, and there are approximately 125 million households in the United States. If all wind turbines operate with a capacity factor of 25 percent, how many would be needed to provide energy for all homes in the United States?

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'

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