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Artificial sweeteners, such as NutraSweet and Splenda, have no nutritional value in terms of calories, yet...

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Biology

Artificial sweeteners, such as NutraSweet and Splenda, have nonutritional value in terms of calories, yet they taste sweet tohuman subjects.

a) Explain how compounds with no nutritional value can beperceived as ‘sweet’ when ingested.

b) For most of their adult lives, mosquitoes feed on nectar(i.e. sugar water). When you run taste preference tests on labmosquitoes, you find that though they drink large amounts whenpresented with sugar water, they avoid drinking water that has beensweetened with Splenda. Describe what might explain this pattern ofresults, in terms of gustatory receptors in insects.

Answer & Explanation Solved by verified expert
4.0 Ratings (442 Votes)
a Sweetness is a taste sensation perceived by tongue Tongue have sweet taste sensory cells in the taste buds These cells express receptor T1r3 on their surface Binding of artificial sweeteners such as NutraSweet and Splenda to the receptor triggers the cells in the taste buds This releases    See Answer
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