Lemon does not actually absorb odors. It has antibacterial abilities that can kill the bacteria that make the odors leaving only its citrus scent.
A lemon absorbs every color but yellow, which it reflects.
Before an olfactory receptor can detect an odorant, it needs to bind to a specific odorant molecule. This binding triggers a series of biochemical reactions that generate neural signals, which are then sent to the brain for interpretation.
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An odorant molecule binds to the olfactory receptor, which triggers a signaling cascade leading to the transmission of information about the smell to the brain.
The molecule activated from the binding of an odorant to transmembrane receptor molecules on olfactory hairs is called cyclic AMP (cAMP). When an odorant binds to the receptor, it triggers a signaling cascade that leads to the production of cAMP, which ultimately stimulates the olfactory sensory neuron and initiates the sense of smell.
The color yellow in a lemon comes from the reflection of yellow wavelengths of light. The lemon absorbs most of the other colors in the light spectrum and reflects the yellow light, giving it its characteristic color.
Mercapton is a strong odorant added to natural gas supplies prior to distribution.
Mercapta is added to LPG to make sure wheather it is leaking or not.
A chemical compound called ethyl mercaptan is added to LPG to give it a distinct smell, also known as odorant. This odorant is added as a safety measure so that leaks can be easily detected by people through the characteristic smell.
rosemary (a small bush with mall, odorant leaves) is 'le romarin' in French.
donator, odorant, tandoor, tornado
The reaction between baking soda and citric acid is a neutralization and therefore endothermic. It absorbs energy from its environment rather than exerting it.