How DNA Is Packaged
How DNA Is Packaged
Feb 5, 2003
biointeractive.org
DNA folding, in detail
16:10
DNA folding, in detail
874.6K viewsSep 2, 2008
TEDPaul Rothemund
How small is DNA, really?👇🏼👇🏼 A DNA strand is only about 2 nanometers wide - that’s 0.000000002 meters! For scale: A human hair is 80,000–100,000 nanometers wide, making it roughly 40,000 times thicker than DNA. Yet inside each of your ~37 trillion cells is nearly 2 meters of DNA, folded and packed with incredible precision. If you stretched all the DNA in your body end to end, it could wrap around the Earth over 2 million times. Tiny in size. Massive in complexity. | Facts_and_stuff_by_d
0:28
How small is DNA, really?👇🏼👇🏼 A DNA strand is only about 2 nanometers wide - that’s 0.000000002 meters! For scale: A human hair is 80,000–100,000 nanometers wide, making it roughly 40,000 times thicker than DNA. Yet inside each of your ~37 trillion cells is nearly 2 meters of DNA, folded and packed with incredible precision. If you stretched all the DNA in your body end to end, it could wrap around the Earth over 2 million times. Tiny in size. Massive in complexity. | Facts_and_stuff_by_d
219.8K views5 months ago
FacebookFacts_and_stuff_by_d
DNA Origami could save us. 🧬 Researchers at the University of Cambridge have developed tiny devices made from intricately folded DNA strands which they hope can be used to tackle increasing antibiotic resistance. Read more 👉 https://bit.ly/3jVuv8g | CGTNEurope
3:34
DNA Origami could save us. 🧬 Researchers at the University of Cambridge have developed tiny devices made from intricately folded DNA strands which they hope can be used to tackle increasing antibiotic resistance. Read more 👉 https://bit.ly/3jVuv8g | CGTNEurope
467.7K viewsOct 11, 2020
FacebookCGTNEurope
We Can Now "Program" DNA Shapes. Here's How.
7:00
We Can Now "Program" DNA Shapes. Here's How.
1 views2 months ago
YouTubeClear Tech
The DNA Structure That Only Appears When the Cell Is Alive What if DNA doesn’t always look like the classic double helix? Enter i-Motif DNA — a strange, folded DNA structure that forms inside living human cells, but only under very specific conditions. Unlike the familiar double helix, the i-motif twists into a four-stranded knot, held together by interactions between cytosine bases. For years, scientists thought it could only exist in test tubes under acidic conditions — too unstable to survive
0:45
The DNA Structure That Only Appears When the Cell Is Alive What if DNA doesn’t always look like the classic double helix? Enter i-Motif DNA — a strange, folded DNA structure that forms inside living human cells, but only under very specific conditions. Unlike the familiar double helix, the i-motif twists into a four-stranded knot, held together by interactions between cytosine bases. For years, scientists thought it could only exist in test tubes under acidic conditions — too unstable to survive
458 views4 months ago
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