_________ does not act as a satiety signal? Insulin Leptin Orexin Cholecystokini
ID: 3473300 • Letter: #
Question
_________ does not act as a satiety signal?
Insulin
Leptin
Orexin
Cholecystokinin
Increased glucose utilization
Identify the item that has a pH the farthest away from that in a human cell:
pure water
orange juice
milk
sea water
bleach
ratio of [HCO3]/[CO2] = 20/0.5
pK = 6.1
log of 10 = 1.0
log of 20 = 1.3
log of 40 = 1.6
pH = 7.0
pH = 7.4
pH = 7.1
pH = 7.7
It is impossible to determine the pH with the information provided.
a.Insulin
b.Leptin
c.Orexin
d.Cholecystokinin
e.Increased glucose utilization
Explanation / Answer
(1) C. Orexin
Orexin does not act as a satiety signal, instead, it promotes appetite.
(2) e.bleach
pH of bleach is around 12 which is far from the physiological pH of 7.4
(3)d.pH=7.7
Explanation:
pH=pk + log [HCO3]/[CO2]
ph=6.1+1.6
pH=7.7
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