
Stealth Mosquitoes? - Biology Stack Exchange
Aug 26, 2024 · Have mosquitoes become silent and invisible, or am I losing my senses of hearing and sight? This summer I have seen no mosquitoes and have only heard two of them, very quiet, as I sat …
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How is the size of a gene defined? - Biology Stack Exchange
Jun 16, 2016 · Is there an agreed definition as to how many nucleic acid bases constitute a gene? If not, why not? I'm not sure I understand how the exact sizes of genes are defined.
What do we know about the Last Universal Common Ancestor (LUCA)?
All life on Earth (bacteria, archaea, eukarya) is thought to have evolved from a common ancestor, or last universal common ancestor (LUCA). What do we know about the characteristics of LUCA based u...
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 …
dna - qPCR precipitation - Biology Stack Exchange
Nov 8, 2023 · I have performed DNA precipitation using two methods on an amplified 194 bp PCR product: using a PEG method with just cold 80% ethanol PEG worked much better for me. Can the …
Why does K+ move out of the cell? - Biology Stack Exchange
Jun 9, 2017 · The other answer is a bit misleading. "Another cause is the the intracellular K+ concentration" No, this is exactly the same cause, the differing concentrations is what causes the …
Why can you not tickle yourself? - Biology Stack Exchange
It's the age old question, why can't we tickle ourselves? If you rub your fingers along your skin, sure there's sensation but you don't break down into a laughing fit (at least I don't :P), if some...
Why are so few foods blue? - Biology Stack Exchange
Feb 22, 2017 · Although blue foods exist, they're rare enough compared to other foods for food preparers to use blue plasters as a convention. The natural colour of a given food is due to pigments …
Do spiders learn how to build webs? - Biology Stack Exchange
Nov 4, 2021 · Spiders’ ability to weave webs is a classic example of an innate or instinctual behavior. They do not learn to make webs. The earliest English-language scientific publication that I can find to …