
metabolism - Why are 6 turns of the Calvin cycle needed to make one ...
Oct 6, 2021 · I‘ve read that 6 turns of the Calvin cycle are required to make 1 glucose molecule. But, 3CO 2 and 3RuBP are used in one cycle and 6 triose phosphate is produced. Only 5 triose …
Why deoxyribose for DNA and ribose for RNA? - Biology Stack Exchange
Dec 13, 2014 · Why is DNA made out of deoxyribose and RNA made of ribose? Why can't they both use ribose or deoxyribose? I think that the deoxyribose gives an advantage in storing genes, the job of …
terminology - Why do so many species from the Global Diversity ...
Jan 5, 2026 · I'm comparing taxonomic databases to better understand species names. I've analyzed the list of species from the Catalogue of Life (COL), from Wikidata and from the Global Biodiversity …
Does food continue to stay sequential once it is inside my body?
Feb 4, 2016 · In general, food is not kept in any particular sequential order. The stomach has a lot of smooth muscle which churns the food, very rapidly erasing any "order" to the food. Beyond that, the …
What does genetically tractable strain mean? - Biology Stack Exchange
Feb 21, 2021 · You've already basically got the idea of "genetically tractable": if we can readily modify an organism's genome using known techniques, then it's genetically tractable. That's a moving target, of …
Why is Lamarck's evolutionary theory considered incorrect?
Many sources postulate without much argumentation that Lamarck's evolutionary theory is "obviously incorrect". A classic example provided in such sources is the one with giraffes, in which Lamarck ...
What is the real pH of saliva? - Biology Stack Exchange
Jan 4, 2026 · NCERT-centred books: Saliva before meal $\implies$ pH = 7.4. After meal pH = 5.8. Googled searches and AI: Somewhat opposite Can I get a detailed referenced answer to the …
How old is this Kodiak bear? - Biology Stack Exchange
Sep 3, 2025 · Hmmm, not sure that this is the right site, or that any SE site is the right one for this. Image is from 2006 apparently. Looks like an adult, so at least 5 years old at the time. I don't know …
What type of white hard thing grows on lobster
Aug 8, 2020 · I have no idea how to explain it. It looks like mini white volcanoes growing on a lobster shell. Is it bacteria or parasite?
biochemistry - Difference between negative allosteric regulation and ...
Jan 27, 2016 · Both connect to some site other than the active site which controls the shape of the active site and causes the enzyme to be less active. So what is the difference?