Lysogeny is a truce: the phage genome rides along as the bacterium divides. UV or starvation can flip the switch to lysis. Description, not a recipe. When headlines say a phage 'evolved overnight', they mean huge numbers and tight host matching, not a cartoon villain.
Usually an icosahedron packed with DNA. T4's head is a textbook icon about 110 nm long. Typically DNA, from a few kilobases to half a megabase in jumbo phages. RNA phages exist too (MS2, 1961).
Mark each measure High, Any or Low for what you want. The fit number moves with every mark, and your marks follow you to the next page in this app.
| Measure | Bacteriophages | Fungi | You want |
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| Medical weight | |||
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| Risk | |||
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| Live debate |
Mark at least one measure to see a fit number.
Scores are the atlas’s 0–100 teaching marks for each topic. They are not a diagnosis, a dose or a treatment choice.
Tick a point once you could explain it in your own words. Ticks stay on this device.
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All points done. Next: Open the topic: Bacteriophages
Lysogeny is a truce: the phage genome rides along as the bacterium divides. UV or starvation can flip the switch to lysis. Description, not a recipe. When headlines say a phage 'evolved overnight', they mean huge numbers and tight host matching, not a cartoon villain.
Usually an icosahedron packed with DNA. T4's head is a textbook icon about 110 nm long. Typically DNA, from a few kilobases to half a megabase in jumbo phages. RNA phages exist too (MS2, 1961).
Food-industry use of phages against Listeria on some meats exists as regulated products in some countries. That is factory hygiene, not a kitchen protocol from this page. If a bottle claims to 'unleash phages in your bloodstream', treat it as marketing until a clinician and a regulator say otherwise.
Can hospitals keep phage banks as narrow, evolving tools beside antibiotics? The science is real; the logistics are the bottleneck. Most phage genomes in metagenomes have no close laboratory relative. The ocean and the gut are still unnamed libraries.
This is education from the atlas. It does not diagnose and does not prescribe a dose. It does not replace the full topic page.
Next question: Fungi · Open the topic: Bacteriophages
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