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As the day of starvation increases, ketone bodies in plasma level increased rapidly after 2 days. For fatty acids in plasma level, it increased gradually. However, the glucose in plasma level decreased

Glucose is the 1st source of fuel
Fatty acid is the 2nd source of fuel

The pathways involved are glycolysis, link reaction, Kreb's cycle, gluconeogenesis, ketogenesis, beta-oxidation.. (basically everything we learnt is involved)

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Gluconeogenesis:
The breakdown of product other than glucose to make glucose

Ketogenesis:
Metabolic pathway that produces ketone bodies

The brain is very picky about its food, it depends on glucose for energy. When its lacking glucose, it is forced to switch to ketones.

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ketosis is the process of burning fats for energy
what we don't know
what are ketone bodies
what we need to find out
why could David blaine survive for so long

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What we know: as the days of starvation increase, the number of ketone bodies increases
What we dont know: why does the ketone bodies increase?
What we need to find out: how does ketone bodies help our body during starvation

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What we know: Ketones bodies increases as more time goes by without food
What we don't know: ketogenesis
What we need to find out: why is ketone bodies produced

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What are the other alternate pathways that our body uses during starvation and how are they carried out?

Why do the levels of ketone bodies and fatty acids increase?

What are ketone bodies and how are they produced?

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know- As days of starvations increases, ketone bodies in plasma spike while fatty acids in plasma gradually increases.
don't know- why does fatty acid increase slowly but ketone bodies increase at a faster rate?
find out- relationship between starvation and ketone bodies.

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what we know: under starvation, the level of fatty acids and ketone bodies in plasma increases
what we don't know: where does the ketone bodies come from
what we need to find out: what is ketogenesis

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Glycogen is stored as temporary storage in the body fats is stored as permanent storage in the body for energy

Ketone bodies are preferred as secondary source of energy by the brain

Glucose is the primary source of energy

Different organs have different fuel requirements

Ketone bodies are produced from acetyl-CoA

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How did Blaine survive for 44 days without eating?

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What we know:
You can survive for 44 days without food (with water)
Ketone bodies and fatty acids will increase in the blood during starvation while glucose will decrease.

What we don't know:
Process of Gluconeogenesis and how it makes us lose our body weight.

What we want to know:
How to lose weight fast

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How does the body utilize the stored-up fats to ensure the body's survival for multiples days without food
What are ketone bodies and what purpose do they serve
The process of gluconeogenesis

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What is a blood brain barrier?
What is the specific metabolic process of ketogenesis?
Why are ketones produced?
What is the process of gluconeogenesis and ketogenesis?

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What is gluconeogenesis

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Ketogenesis, Ketolysis, Gluconeogenesis