Fats and Proteins Flashcards
Which product of glycolysis can go on to form fatty acids?
acetyl CoA
Can you make glucose from lipids?
Yes, you can make it from glycerol, but not the fatty acid
How much fat and protein are usually stored in a 70kg male?
12 kg of each
T/F digested fat first gets processed by the liver
No, it can directly enter the circulation as chylomicrons travels in lymph
What is the function of adipocyte?
it’s inert, so usually only for insulation, but it also secrets leptin
How does fatty acid travel around the body?
carried by albumin
What is the function of carnitine?
transport fatty acetyl Coa into mitochondria for oxidation
Carnitine limits which pathway
beta-oxidation
What is the product of beta-oxidation?
acetyl CoA
What is the content of ketone bodies?
acetoacetate
beta-hydroxybutyrate
acetone
How much protein do we lose per day?
60g from secretory enzyme and sloughed gut cell protein
How can a corn diet make you sick?
it lacks niacin and tryptophan
Why is bread sweeter when toasted?
It undergoes Maillard reaction, breaking protein into glucose
What is the function of alanine cycle?
transport excess nitrogen to liver and kidneys
urea cycle is only highly active in liver
