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(D) The Polymerase Chain Reaction $(PCR)$ consists of three main steps:$1$. Denaturation $(P)$: The double-stranded $DNA$ is heated to a high temperat

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$95^{\circ}C \quad 56^{\circ}C \quad 72^{\circ}C$

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(D) The Polymerase Chain Reaction $(PCR)$ consists of three main steps:$1$. Denaturation $(P)$: The double-stranded $DNA$ is heated to a high temperature of about $95^{\circ}C$ to separate the strands.$2$. Annealing $(Q)$: The temperature is lowered to about $40-60^{\circ}C$ (typically $50-65^{\circ}C$,here $56^{\circ}C$) to allow the primers to bind to the template $DNA$.$3$. Extension $(R)$: The temperature is raised to $72^{\circ}C$ to allow the $Taq$ $DNA$ polymerase to synthesize the new $DNA$ strand.Therefore,the correct sequence of temperatures is $95^{\circ}C$ for $P$,$56^{\circ}C$ for $Q$,and $72^{\circ}C$ for $R$.

What are the temperatures required for the three steps of the Polymerase Chain Reaction $(PCR)$ shown below?
$P \quad \quad Q \quad \quad R$

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What are the temperatures required for the three steps of the Polymerase Chain Reaction $(PCR)$ shown below?$P \quad \quad Q \quad \quad R$