16 Questions
What is the main way 60% of the energy used during ATP production is lost?
Radiation
Which component is responsible for transferring heat by contact resulting in a 3% heat loss?
Convection
What is the proportion of energy lost through evaporation during ATP production?
20%
Which component contributes to transferring heat via infrared waves?
Radiation
What is the main factor contributing to the Basal Metabolic Rate (BMR)?
Metabolic Rate
Which type of compounds are needed for biochemical reactions in the body?
Vitamins
What is the primary function of catabolic reactions?
To release energy by breaking down molecules
What is the role of ATP in cellular metabolism?
It is the currency of energy transfer in the body
Which of the following is true about the Krebs cycle?
It produces electron carriers like NADH and FADH2
What is the primary function of the electron transport chain (ETC)?
To generate ATP through oxidative phosphorylation
What is the primary function of gluconeogenesis?
To synthesize glucose from non-carbohydrate precursors
What is the primary function of lipolysis?
To break down triglycerides into fatty acids and glycerol
Which of the following metabolic states occurs during fasting or starvation?
Ketogenic state
What is the primary role of insulin in metabolic regulation?
To promote the storage of glucose and stimulate protein synthesis
What is the primary source of energy during the absorptive state?
Glucose from food
What is the role of cholecystokinin (CCK) in lipid metabolism?
It stimulates the release of lipase and bile salts for fat digestion
Explore the fundamentals of metabolic reactions in metabolism and nutrition, including catabolic and anabolic processes. Learn about the energy release from chemical bonds, ATP production, and energy storage mechanisms.
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