
DNA sequencing (article) | Biotechnology | Khan Academy
Sequencing an entire genome (all of an organism’s DNA) remains a complex task. It requires breaking the DNA of the genome into many smaller pieces, sequencing the pieces, and assembling the …
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Polymerase chain reaction (PCR) (video) | 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 …
Intro to biotechnology (article) | Khan Academy
DNA sequencing involves determining the sequence of nucleotide bases (As, Ts, Cs, and Gs) in a DNA molecule. In some cases, just one piece of DNA is sequenced at a time, while in other cases, a large …
Khan Academy | Khan Academy
Learn about the polymerase chain reaction (PCR) technique, its applications, and how it amplifies DNA sequences in biotechnology.
DNA cloning and recombinant DNA (video) | Khan Academy
DNA cloning involves creating identical copies of a specific gene using restriction enzymes to cut the desired gene, pasting it into a plasmid, and inserting it into bacteria like E. coli. The bacteria replicate …
DNA sequencing (video) | DNA technology | Khan Academy
DNA sequencing involves three main steps: 1) using PCR to amplify DNA fragments, 2) introducing dideoxynucleotides that halt DNA strand elongation, and 3) employing a computer to analyze the …
Evidence for evolution (article) | Khan Academy
Generally, you take your sample, extract the cells, and purify everything besides the DNA out. Then you sequence the DNA. I would advise checking out this Khan Academy video about DNA sequencing.
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Gene expression and regulation | AP®︎/College Biology | Khan …
Understand how DNA cloning and recombinant DNA technology enable the study and manipulation of genes. Examine key tools such as polymerase chain reaction (PCR), gel electrophoresis, and DNA …