PetriKey

Lab method

PCR

Amplifies target nucleic acid

P-C-R

labmoleculardnarnadiagnostic-vocabulary

High-yield clue

Denature, anneal, extend is the core cycle memory hook.

Overview

A molecular technique concept used to amplify target nucleic acid sequences for research and diagnostic vocabulary used in coursework.

Classification

  • Molecular method
  • Amplification concept

Lab & identification clues

  • Thermal cycling
  • Primers
  • Polymerase
  • qPCR Ct vocabulary
  • RNA targets need a reverse-transcription step first (RT-PCR)

Associations

  • Viral load concepts
  • Pathogen detection vocabulary
  • Microbial genetics

Commonly confused with

  • ELISA
  • Culture
  • Sequencing

Your notes

Original concept summary for coursework. Sources checked: OpenStax Microbiology 2e and NCBI Bookshelf Medical Microbiology; reviewed 2026-06. Describes vocabulary and interpretation concepts only; not a lab protocol and not for handling specimens or identifying patient isolates.

OpenStax: Microbiology 2e staining, media, and biochemical-test foundationssourceNCBI Bookshelf: Medical Microbiology diagnostic concept foundationssource