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Polymerase chain reaction (PCR) - Khan Academy
PCR (Polymerase Chain Reaction) is a vital technique in molecular biology, enabling researchers to amplify specific DNA fragments exponentially. Essential for cloning, forensics, and medical diagnostics, PCR involves three main steps: denaturation, annealing, and extension. By using heat-resistant Taq polymerase and repeating cycles, scientists can generate billions of DNA …
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Overview: DNA cloning (article) | Khan Academy
Khan Academy offers a comprehensive overview of DNA cloning in AP Biology.
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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
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Digital SAT Math | Test prep | Khan Academy
Khan Academy offers digital SAT math test prep with thousands of practice questions, videos, lessons, and hints.
Health and medicine - Khan Academy
The medical world can be a confusing place. Patients, their families, and even students entering health fields might feel overwhelmed by the large vocabularies and complicated explanations. We hope to make understanding the medical world a bit easier. Look around! These videos do not provide medical advice and are for informational purposes only. The videos are not intended to …
Genetic variation in prokaryotes - Khan Academy
Lesson 6: Mutations. An introduction to genetic mutations. Mutagens and carcinogens. The effects of mutations. Impact of mutations on translation into amino acids. Mutation as a source of variation. Aneuploidy & chromosomal rearrangements. Genetic variation in prokaryotes.
Biology - Khan Academy
Exercises and mastery mechanics will soon be removed from the biology archive. For our most up-to-date, mastery-enabled courses, check out High School Biology and AP Biology! Unit 1: Intro to biology. Welcome to biology!: Intro to biology The science of biology: Intro to biology Water and life: Intro to biology. Unit 2: Water, acids, and bases.
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