Tissue-Specific metabolism: Fed-Fast Cycle

Question 1

Fed (absorptive state)

Answer 1

up to 3 hours following meal; increased glycogen synthesis; increased fatty acid synthesis; increased TAG synthesis

Question 2

Post-absorptive

Answer 2

3-18 hours following meal; increased glycogenolysis; gluconeogenesis;

Question 3

Fasting state

Answer 3

18- 48 hours following a meal; increased gluconeogenesis primarily from muscle AA

Question 4

Starvation state

Answer 4

> 48 hours; increased lipolysis; increased ketogenesis; increased gluconeogenesis from glycerol; increased protein sparing.