About 970,000 results
Open links in new tab
  1. Polymerase Chain Reaction (PCR) Fact Sheet

    Aug 17, 2020 · How does PCR work? To amplify a segment of DNA using PCR, the sample is first heated so the DNA denatures, or separates into two pieces of single-stranded DNA. Next, an …

  2. Polymerase chain reaction (PCR) | Definition, Steps, Applications ...

    Nov 4, 2025 · The polymerase chain reaction (PCR) is used to make numerous copies of a specific segment of DNA quickly and accurately, enabling experiments in molecular biology, …

  3. PCR Test: What It Is, How It Works & Results - Cleveland Clinic

    A PCR (polymerase chain reaction) test is a way to look for genetic material (DNA or RNA). After taking a body fluid sample (like blood) or a swab from a body site (like deep in your nose), …

  4. Polymerase chain reaction - Wikipedia

    PCR is fundamental to many of the procedures used in genetic testing, research, including analysis of ancient samples of DNA and identification of infectious agents. Using PCR, copies …

  5. Polymerase Chain Reaction – Principle, Steps, Types, & Purpose

    Jun 10, 2025 · What is the polymerase chain reaction (PCR). What is it used for. How does it work. Learn its principles, types, components, steps, & applications with a diagram.

  6. How does PCR work and what are its 3 steps? | INTEGRA

    Jun 23, 2022 · So, how does PCR work? In this guide, we take a deep dive into this fascinating technique by defining what PCR is, explaining how its 3 steps work, exploring its history, …

  7. Polymerase Chain Reaction (PCR): Steps in This DNA Test

    PCR (polymerase chain reaction) is a method to analyze a short sequence of DNA (or RNA) even in samples containing only minute quantities of DNA or RNA. PCR is used to reproduce …

  8. Polymerase Chain Reaction (PCR) - Definition, Steps, Principle ...

    Sep 23, 2025 · Polymerase chain reaction (PCR) is a widely used enzymatic process that rapidly and exponentially amplifies a specific region of DNA, producing millions to billions of copies of …

  9. All About PCR - Beta - University of Utah

    When things are working well, PCR can amplify a single copy of the target sequence—as in, DNA from one cell. But it’s easy to get many more than one copy to start with, and with more target …

  10. Polymerase Chain Reaction (PCR): Principle, Enzymes, Steps, …

    Aug 11, 2025 · It is a temperature-dependent enzymatic process where either a specific targeted region of DNA or the whole DNA is replicated to quickly make millions of copies of the target …