Answer:
carbohydrates:
ā—¸glycogenolysis may be required
ā—¸certain amino acids can be converted to glucose as a replacement for this
ā—¸the liver stores enough glycogen for about 4 hrs after the last meal
The term glycogenolysis, conversion of amino acids to glucose and glycogen are related with carbohydrates
Fats:
ā—¸glycerol is converted to a usable energy source
ā—¸may have to be oxidized to ketone bodies
The term conversion of glycerol to energy source and use of ketone bodies are common in fats
Proteins:
ā—¸last resort as an energy source
ā—¸muscle cells begin to atrophy if glycogen and fat reserves are depleted
ā—¸an extreme wasting called cachexia
This all relates to protein explaining why it's the last resort of energy source
