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Fed vs. Fasted State

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on 23 April 2014

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Transcript of Fed vs. Fasted State

Thank You!
What is the Fed State?
The Fed state occurs 4 hours after a meal. It is a time when the body is absorbing digested nutrients, using some of them to meet immediate energy needs, and converting the excess to energy storage products.

HOPE these fact and key points were helpful!!!!!
So, What about the FAST state of Metabolism?...
Fed vs. Fasted State
During the fed state there's and increase of glucose which increases the secretion of insulin.
Active processes in fed state
Catabolic- gains ATP from dietary macronutrients.
Anabolic- makes macromolecules as needed and creates fat and glycogen stores
Note: during the fed state insulin initates glycolysis
In the FED state in muscle, insulin can stimulate:

a. transport of plasma into muscle cells.

b. glycogenesis

c. transport of dietary amino acids into muscle cells

d. protein synthesis
3 things that occur during FED state in the liver:
1. glucose is for ATP production via glycolysis

2. Excess glucose is stored as glyogen

3. Excess glucose is converted to fatty- acids.
The Fast state occurs 4 or more hours after eating and causes a decrease in insulin and an increase in glucagon production.
the increase of glucagon has no effect on skeletal muscle, but the lack of insulin does
Some things to note:
During the FAST state:
the increase of glucagon has an effect on the liver. Several processes occur:
a. glycogenolysis occurs

b. gluconeogenesis occurs
Also, during Fasting state there are some metabolic processes:

Lipolysis occurs and there is the usage as fatty-acid as fuel.
when in a fasted state the main source of energy is fat
when the insulin levels are low it signals to the adipose cells to open and triglyceride is released causing the cell to shrink.
Facts about the FAST state
up to 4 hours after eating
increase of glucose and insulin
main source os energy is glucose
FAST state:
occurs after 4 or more hours
main source of energy is fat
glucagon is secreted instead of insulin.
has no effect on skeletal muscle
Full transcript