15 Questions
What percentage of energy used during ATP production creates heat?
60%
At what temperature is a naked human most comfortable?
84 degrees
Which method of heat transfer accounts for 60% of heat loss in humans?
Radiation
What is the difference between Basal Metabolic Rate (BMR) and Metabolic Rate?
BMR is energy expended at rest, Metabolic Rate includes physical activity
How many calories are in 1 pound of fat?
3500 calories
Which vitamin type is not water-soluble?
Vitamin A
What is the main purpose of the Krebs cycle?
To convert acetyl CoA into citric acid
What is the primary function of the electron transport chain (ETC)?
To produce ATP
What is the purpose of gluconeogenesis?
To produce glucose from non-carbohydrate precursors
What is the role of insulin in carbohydrate metabolism?
Insulin causes glucose to be stored and stimulates protein synthesis
What is the primary function of the urea cycle?
To convert amino acids into urea for excretion
What is the role of ketone bodies in metabolism?
Ketone bodies are the primary source of energy for the brain during starvation
What is the primary purpose of lipogenesis?
To convert excess acetyl CoA into fatty acids and triglycerides
What is the difference between the absorptive and postabsorptive states?
The absorptive state is when the body is actively digesting and absorbing food, while the postabsorptive state is when the body is fasting
What is the primary function of the catabolic pathways in metabolism?
To break down larger molecules into smaller ones and release energy
Test your knowledge on the overview of metabolic reactions, including catabolic and anabolic processes, energy storage and release, and ATP production. Explore the concepts related to energy transfer and utilization in the body.
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