Closure

... through very low temperatures. This idea was supported by helium diffusion measurements on gem quality Durango fluorapatite which indicated a closure temperature of just 100 ? +/- 3O”C, a value recently confirmed on several additional apatites (Lippolt et al., 1994). The article is saying ...

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... Lactic, Glutamic, E, D, O, N, Y, T, U, L. abscisic acid is the answer!! Also known as ABA, it is the plant growth regulatorthat causes the closure of the stomata in dry conditions, and inhibits seed germination.

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... ways... 1) Opening of sodium channels - e.g. which as you said occurs in presynpatic neurones and results in neurotransmitter release 2) Closure of potassium channels... e.g. in the beta cells of the pancreas.... - glucose enters -> glycolysis occurs -> ATP generated -> ATP causes ...

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... :D). I hope it's efficient description for now. As far as you're not very acquainted with that topic, the physiological mechanisms of opening and closure of guard cells are not very required, aren't they?

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. Now more generally, A consistent observation is not strictly a finite, bounded event of absolute closure. Such an observation is a resonance (of a vibration) between different levels of organization, whose measurement is a peak in a range of indeterminate "in betweens". ...

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