Metabolism: Metabolic Rate

Question 1

Definition of 1 Calorie/kilocalorie

Answer 1

amount of heat required to raise the temperature of 1kg of water by 1°C

Question 2

Physical Caloric value of carbohydrates, fats & proteins

Answer 2

• 1g of Oxidised Carbohydrates: 4.1 Calories
• 1g of Oxidised fat: 9.3 Calories
• 1g of Oxidised Protein: 5.3 Calories

Question 3

Physiological Caloric value of carbohydrates, fats & proteins

Answer 3

• 1g of Oxidised Carbohydrates: 4.1 Calories
• 1g of Oxidised fat: 9.3 Calories
• 1g of Oxidised Protein: 4.1 Calories

same as physical, except for protein, less in physiological

Question 4

Explain why there is a difference in physiological & physical caloric Value of protein

Answer 4

because CHO & fats are Oxidised completely into water & CO2 in & out of the body

Question 5

Define Energy equivelant of Oxygen