Health sciences and medicine proteins

You are asked to evaluate a new food 3 products: 1) Product A (contains: 29% carbohydrates, 30% protein, 20% fat, 1% fiber, 20% water); 2) Product B (contains: contains: 20% carbohydrates, 30% protein, 10% fat, 20% fiber, 20% water). 3) Product C (contains 90% L-glucose and 10% water).

You are asked to measure 1)Gross energy, 2)Digestible energy, 3)Metabolizable energy, 4)Net energy and 5)Production energy.

Describe the experiments that will be needed to accomplish this task.
Explain the potential results (for each type of energy) and the differences among the three products

 
Pedro is a sedentary 65 years old male, weighs 200 pounds and is 5′.8” feet tall. 1) Calculate the energy requirement for Pedro. 2) State whether Pedro needs to lose or gain weight and how to modify his caloric intake to reach a healthy BMI within 5 months.
Explain how the high intake of red meats could lead to colorectal cancer .