
U205 Solid state relay
Features:
Non-junction switch, long usage life
Controlling voltage among 3-5V, controlled voltage can reach to 380V
100% Factory Tested.
Package:
Product ID dimensions: Net Weight Cross Weight
U205-A 110g
U205-B 10g
U205-C 310g
U205-D 20g
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lf, indicates the range of the plant kingdom s weaponry. Dr Sandell and Dr
Breslin, though, focused their attentions on just one of these receptor genes, called hTAS2R38. The
protein derived from this gene is known, from laboratory experiments, to be sensitive to a substance
called phenylthiocarbamide (PTC). This compound contains a molecular group called thiourea. And
thiourea-containing substances are known from other studies to inhibit the function of the thyroid gland.
Cruciferous vegetables, such as watercress, turnips and—most pertinently—broccoli, are rich in a group
of thiourea-containing compounds called glucosinolates. Dr Sandell and Dr Breslin wondered if there
might be a connection. And, since different versions of hTAS2R38 code for proteins that have different
levels of reaction to PTC, they wondered if that might be reflected in the fact that some people like
broccoli, and others do not.
The two researchers assembled a group of volunteers and checked which versions of the hTAS2R38 gene
they had. They then fed the volunteers vegetables and recorded their reactions.
All of the vegetables were thought by at least some people to be bitter, but not all of them were
cruciferous plants. The non-cruciferous ones were plants which, so far as is kno fuel dispenser wn, do not contain
glucosinolates.
Mild and bitter
The results were clear. All volunteers found the non-cruciferous vegetables equally bitter, but their
reactions to the cruciferous ones depended on their genes. Those with two copies of the version of
hTAS2R38 coding for the protein that binds best to PTC (one copy having been inherited from each
parent) thought broccoli and its cousins the most bitter. Those who had two copies of the poorly binding
version thought they tasted fine. Those with one of each had an intermediate reaction.
Despite broccoli fuel dispenser s bad reputation, the most bitter vegetables, according to this research, are swedes and
turnips. That accords well with work which has shown that eating these vegetables supp fuel dispenser