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Questions tagged [chemical-communication]

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6
votes
3answers
220 views

How do DNA, enzymes, hormones etc. reach their proper cellular locations?

I was trying to understand DNA transcription from this chapter, and there seems to be no explanation on how exactly the proteins, enzymes and other molecules manage to find each other inside the cell. ...
2
votes
0answers
30 views

Why don't acacia trees prefer increasing tannin levels in their leaves rather than leaving them high?

According to this article, the Acacia tree has a chemical defence system which leads to the release of ethylene in the surroundings when a herbivore grazes on it. This leads to an increase in tannin ...
0
votes
1answer
40 views

Do humans secrete and detect pheremones?

Many animal species are capapble of secreting and also detecting pheremones from members of the same species, which relay messages and signals such as indicating sexual readiness. Do humans do the ...
0
votes
1answer
54 views

How many molecules are generally required for cell signallng processes for given cases?

I know its really a broad topic but I am interested in just few cases: Quorum sensing neurotransmitters for the communication of images/ general information hormones/pheromones I actually want to ...
5
votes
0answers
366 views

When and why did humans start disliking the way we naturally smell? [closed]

Like many animals, humans produce a myriad of scents from sweating, bacteria, possibly pheromones, etc. Many of these scents are used throughout the animal kingdom for mate choice, recognition of ...
2
votes
0answers
269 views

Can diseases be transmitted wirelessly? [closed]

According to the recent research about Electromagnetic Signals from Bacterial DNA (A. Widom, J. Swain, Y. N. Srivastava, S. Sivasubramanian) it seems there is a possibility of a "wireless" version of ...
1
vote
0answers
41 views

Stress regulation in mosquitoes

I was just trying to understand how in insects, specifically mosquitoes does the process of emergency responding, stress regulation take place? Or in simpler words how are flight, fright and fight ...
6
votes
1answer
257 views

Selective Androgen Receptor Agonist

I'm looking for an inducer that strongly activates the androgen receptor, but not the glucocorticoid receptor that is not DEA regulated. I know that SARMS (Selective Androgen Receptor Modulators) are ...
21
votes
4answers
3k views

Could we transmit smells electronically?

We can encode sound and images in radio waves and send them, but presumably there's some physiological reason that we can't easily make a picture or video of a smell. Could we realistically break ...
9
votes
3answers
229 views

Free Radicals for aging

From my understanding free radicals play a slight role in ageing. In what ways are they so damaging, and can a restricted diet reduce production of free radicals?
7
votes
1answer
8k views

Single hormone opposite effects

Often, a smooth response to a hormone means that some processes must be sped up and others must be slowed down. How can a single hormone have opposite effects like this?