PTC tasting Certification Exam Questions And Correct Detailed Answers,
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Module
PTC.
Institution
PTC.
Taste - correct answer -orally, humans perceive a variety of chemical compounds in food that we describe as bitter, sweet, sour, salty, and umami
-in realtiy, our perception of taste is much more complicated than this, and variation in taste sensitivit...
Taste - correct answer -orally, humans perceive a variety of chemical
compounds in food that we describe as bitter, sweet, sour, salty, and umami
-in realtiy, our perception of taste is much more complicated than this, and variation in taste sensitivity
appears to be at least partially genetic in origin.
-taste sensitivity to some bitter compounds has received considerable attnetion in anthropology.
Phenylthiocarbamide (PTC) - correct answer Synthetic chemical that was first
used in 1879
-bimodal
Bimodal - correct answer -tasters
-nontasters
-discovered in 1931 by chemist at DuPont named Arthur L. Fox
Tasters of PTC - correct answer Bitter taste
Non-tasters of PTC - correct answer No taste
PROP as a sub for PTC - correct answer -most research since the 1960s and
1970s has used 6-n-propulthiouracil
-lacks the sulfurous odor of PTC
-used as a medication to treat Graves' Disease, and as a result, safety limits can be set for its use.
PTC and PROP relation - correct answer -taste is correlated
-chemically related
-both has N-C=S group
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