Feed / Fast cycle

Question 1

Liver in absorptive state

Answer 1

Carbohydrate metabolism:
-phosphorylation of glucose, glycogen synthesis, activity of hexose monophosphate pathway, glycolysis
Fat metabolism:
-FA synthesis, TAG synthesis
AA metabolism:
-AA degradation, protein synthesis

Question 2

Adipose tissue in absorptive state

Answer 2

Carbohydrate metabolism:
-glucose transport, glycolysis, activity of HMP
Fat metabolism:
-FA synthesis, TAG synthesis

Question 3

Resting skeletal muscle in absorptive state

Answer 3

Carbohydrate metabolism:
-glucose transport, glycogen synthesis
Fat metabolism
AA metabolism:
-protein synthesis, uptake of branched chain AAs

Question 4

Liver in fasting state

Answer 4

Carbohydrate metabolism:
-glycogen degeneration, gluconeogensis
Fat metabolism:
-FA oxidation, synthesis of ketone bodies

Question 5

Adipose tissue in fasting state

Answer 5

Carbohydrate metabolism:
-less transport
Fat metabolism:
-TAD degradation, release of FAs

Question 6

Resting skeletal muscle in fasting state

Answer 6

Carbohydrate metabolism:
-less transport
Fat metabolism:
-B oxidation
AA metabolism:
-AA breakdown

Question 7

Kidney in fasting state

Answer 7

gluconeogensis

increased production of ketone bodies