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22 September, 03:40

Because a chemical we will smell needs to diffuse into the fluid surrouhiding the

olfactory receptors, which of the following substances would not be able to be

detected?

lipids

O proteins

O amino acids

sugars

+2
Answers (1)
  1. 22 September, 06:58
    0
    Answer: lipids

    Explanation:

    The fluid surrounding olfactory receptors allows for the diffusion of substances. Diffusion describes the movement of molecules from regions where they are highly concentrated, to regions of low concentration.

    Lipids are made of fatty acids formed by the hydrophobic tail and glycerol produced by the hydrophilic head; glycerol, a 3-carbon alcohol is water soluble, whereas the fatty acid tail is a long chain of hydrocarbons (hydrogens bound to the carbon backbone) containing up to 36 carbons. The structure can give these non-polar biomolecules hydrophilic and hydrophobic properties
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