Polymerase chain reaction (PCR) | Definition & Steps | Britannica
2024年10月29日 · The polymerase chain reaction enables investigators to obtain the large quantities of DNA that are required for various experiments and procedures in molecular biology, forensic analysis, evolutionary biology, and medical diagnostics.
Polymerase chain reaction - Wikipedia
The polymerase chain reaction (PCR) is a method widely used to make millions to billions of copies of a specific DNA sample rapidly, allowing scientists to amplify a very small sample of DNA (or a part of it) sufficiently to enable detailed study.
Polymerase Chain Reaction (PCR) Fact Sheet - National Human …
2020年8月17日 · Sometimes called "molecular photocopying," the polymerase chain reaction (PCR) is a fast and inexpensive technique used to "amplify" - copy - small segments of DNA. Because significant amounts of a sample of DNA are necessary for molecular and genetic analyses, studies of isolated pieces of DNA are nearly impossible without PCR amplification.
Polymerase Chain Reaction (PCR) - StatPearls - NCBI Bookshelf
2023年3月6日 · The polymerase chain reaction (PCR) is a laboratory nucleic acid amplification technique used to denature and renature short segments of DNA using DNA polymerase I enzyme, an isolate from Thermus aquaticus, known as Taq polymerase.
Polymerase Chain Reaction (PCR) - National Human Genome …
2024年11月19日 · Polymerase chain reaction (abbreviated PCR) is a laboratory technique for rapidly producing (amplifying) millions to billions of copies of a specific segment of DNA, which can then be studied in greater detail.
PCR- Definition, Principle, Enzymes, Steps, Types, Uses - Microbe …
2023年8月3日 · Polymerase Chain Reaction (PCR) is a nucleic acid amplification technique used to amplify the DNA or RNA in vitro enzymatically. 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 DNA or DNA segment.
PCR -Principle, Steps, Types, Components And Applications Of PCR - BYJU'S
PCR or Polymerase Chain Reaction is a technique used in molecular biology to create several copies of a certain DNA segment. This technique was developed in 1983 by Kary Mullis, an American biochemist. PCR has made it possible to generate millions of copies of …
Polymerase Chain Reaction (PCR) - National Center for …
2017年11月9日 · PCR (Polymerase Chain Reaction) is a revolutionary method developed by Kary Mullis in the 1980s. PCR is based on using the ability of DNA polymerase to synthesize new strand of DNA complementary to the offered template strand.
Polymerase chain reaction Definition & Meaning - Merriam-Webster
The meaning of POLYMERASE CHAIN REACTION is an in vitro technique for rapidly synthesizing large quantities of a given DNA segment that involves separating the DNA into its two complementary strands, using DNA polymerase to synthesize two-stranded DNA from each single strand, and repeating the process —abbreviation PCR.
Biochemistry, Polymerase Chain Reaction - StatPearls - NCBI Bookshelf
2023年7月30日 · Polymerase chain reaction (PCR) is widely employed in basic science and biomedical research. PCR is a laboratory technique to amplify specific DNA segments for various laboratory and clinical applications.
Polymerase Chain Reaction (PCR)- Definition, Principle, Steps ...
2018年11月15日 · PCR definition: “A common genetic tool- a laboratory technique used to obtain multiple copies of target DNA fragments using Taq DNA polymerase in a temperature-dependent reaction is called a PCR- a polymerase chain reaction.”
Polymerase Chain Reaction (PCR)- Principle, Procedure, Types ...
2022年8月10日 · Polymerase Chain Reaction (PCR) is a powerful method for amplifying particular segments of DNA, distinct from cloning and propagation within the host cell. This procedure is carried out entirely biochemically, that is, in vitro.
Polymerase Chain Reaction (PCR)- Principle, Steps, Applications
2022年9月2日 · PCR is an enzymatic process in which a specific region of DNA is replicated over and over again to yield many copies of a particular sequence. The most widely used target nucleic acid amplification method is the polymerase chain reaction (PCR).
Polymerase Chain Reaction – Principle, Steps, Types, & Purpose
2024年9月25日 · Polymerase chain reaction, known as PCR, is an experimental technique used to produce millions and millions of copies of DNA or RNA (nucleic acid) samples. It was developed by Kary Mullis and his colleagues in the 1980s, around the time the Human Genome Project was being planned.
polymerase chain reaction / PCR | Learn Science at Scitable
Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment of DNA. PCR is very precise and can be used to amplify, or copy, a specific DNA target...
What is PCR? - Science Learning Hub
PCR is shorthand for a simple but very useful procedure in molecular biology called the polymerase chain reaction. It is a technique used to amplify a segment of DNA of interest or produce lots and lots of copies.
What is a PCR test, and how does it work? - Medical News Today
2024年1月29日 · A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample...
15.5: The Polymerase Chain Reaction (PCR) - Biology LibreTexts
The polymerase chain reaction (PCR) can amplify a region of DNA from any source, even from a single cell’s worth of DNA or from fragments of DNA obtained from a fossil. This amplification usually takes just a few hours, generating millions of copies of the desired target DNA sequence.
8.7: Polymerase Chain Reaction (PCR) - Biology LibreTexts
2024年3月21日 · The polymerase chain reaction (PCR) allows one to use the power of DNA replication to amplify DNA enormously in a short period of time. As you know, cells replicate their DNA before they divide, and …
An Introduction to PCR - Technology Networks
2023年12月18日 · Polymerase chain reaction (PCR) is a technique that has revolutionized the world of molecular biology and beyond. In this article, we will discuss a brief history of PCR and its principles, highlighting the different types of PCR and the specific purposes to …