what does the polymerase chain reaction (PCR) accomplish? 1) PCR converts RNA to DNA 2) PCR corrects...

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Biology

what does the polymerase chain reaction (PCR) accomplish?
1) PCR converts RNA to DNA
2) PCR corrects mutation in a gene
3) PCR makes many copies of DNA segment
4) PCR joins short segments of DNA to make one long segment
how does the ribosome select the next amino acid to add to agrowing polypeptide chain?
1) the ribosome selects the amino acid that can form hydrogenbonds with the mRNA
2) the ribosome selects a tRNA that base-pairs with a codon
3) the ribosome senses that the amino acid fits into a bindingpocket on the ribosome
4) the ribosome sense that the amino acid has the same codon asthe DNA

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Answer 1 The Correct answer is option 3 ie PCR makes many copies of DNA segment Polymerase chain reaction is an important method having numerous uses The basic principle the technique use is to add nucleotides on the See Answer

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