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Kerry Mullis invented PCR based on what observation about DNA synthesis in cells?

Kerry Mullis invented PCR based on what observation about DNA synthesis in cells?

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Answer #1

The process of replication is the base which helps him to design PCR.

in the process of replication:

A new DNA is synthesized by the reading of complementary old DNA strand. The mode of replication of DNA is semiconservative in which old strand of DNA directs the synthesis of new DNA. Sequance of old nucleotides were readed by enzyme and complementary new nucleotides were attached.

Complementary nucleotides: pairing of two strand of DNA double helix occurs by the pairing of nitrogenous bases which binds complementarily to each other.

A binds with T and

C binds with G

These pairing rule makes more specificity for replication and PCR.

Role of enzyme: In the process of replication DNA polymerase enzyme do chain elongation by encorporation of nucleotides. Polymerase is essential for synthesis.

In PCR taq polymerase is used for the synthesis of DNA

Use of free nucleotides: both process requires free nucleotides in the medium for the synthesis of DNA

Primers: in replication process primers of RNA was synthesized by primase enzyme.

In the PCR readymade primers are suplied.

These all things increased the chances of designing PCR process and making it more effecient and easy. Due to availibilty of all alternatives it becomes possible to do amplification of DNA very easily with the help of PCR.

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