In US President Biden’s State of the Union address, at 29:54 he says “insulin costs about $10 a vial to make… they [charge] up to 30 times that amount”. a) Is this statement true in a practical and meaningful way? b) What price might President Biden be speaking of? c) How might the price in b) spillover into other costs incurred by the consumer? Hint: The slides on US healthcare system will be very helpful (especially the slides near th

Indicate whether each of the following statements is true or false. If false, correct the statement or provide a brief explanation for why it is   a) The presence of lipids in the diet slows down digestion in the b) Insulin increases the rate of glucose uptake by the c) Glucagon is the hormone that signals low blood glucose d) Chylomicrons carry TAGs from the diet into the e) During fasting and starvation the liver produces ketone bodies which fuel the heart and f) The muscles can use glucose, fatty acids and ketone bodies for g) When glucose enters the cell it is immediately and reversibly h) Epinephrine stimulates breakdown of glycogen in muscles when there is an immediate need for energy by muscle i) Glucagon stimulates glycogenolysis to maintain the blood glucose j) With high [carbohydrate] levels, excess glucose (after glycogen storage has reached a maximum) is converted to fat, leading to high [malonyl-CoA]. k) Malonyl-CoA inhibits carnitine acyltransferase II , thus slowing…

Iodine is necessary for the synthesis of thyroxine.  a) Hypothesize about how an excess of iodine in the diet may or may notaffect people.  Hint: think about how thyroxine levels are regulated.  b) With respect to the thyroxine feedback loop, provide one scientifically valid explanation that supports or refutes your hypothesis.

**SELECT ALL THAT APPLY ** Which of the following is a normal consequence of the activation of the heat-promoting center? a) decreased production of thyroid hormones b) vasodilation of cutaneous blood vessels c)sympathetic sweat gland activation d) release of epinephrine e) increase in ADH production