Function
How do proteins contribute to energy levels in the body?
Proteins can be used as an energy source when carbohydrates and fats are low, providing calories for energy.
What is a complete protein?
A complete protein is a protein that contains all nine essential amino acids that the body cannot produce on its own.
What is an incomplete protein, and how does it differ from a complete protein?
An incomplete protein is a protein that lacks one or more essential amino acids. Unlike complete proteins, which provide all essential amino acids, incomplete proteins must be paired with other protein sources to form a complete protein.
What is a common animal source of protein?
Chicken
Can you name a type of fat that is solid at room temperature?
Saturated
What is one primary function of protein in the body?
To build and repair tissues.
What are the two main categories of complete proteins?
Animal-based and Plant-based.
Can you name three examples of incomplete proteins?
Beans, Nuts, Seeds, Legumes, Vegetables...
What are some examples of complete proteins found in plant-based foods?
Quinoa and soy products (like tofu and tempeh).
What are the six essential nutrients?
Fats, Proteins, Carbohydrates, Vitamins, Minerals, Water.
What is the primary function of dietary fats in the body?
The primary function of dietary fats is to provide energy. Fats are a concentrated source of calories and can be used as a fuel source during physical activity.
Can you name three examples of complete proteins?
Meat, Poultry, Fish/Seafood, Eggs, Dairy, Quinoa, Soy Products.
Why is it important to combine incomplete proteins in our diet?
Combining incomplete proteins is important because it ensures that we obtain all essential amino acids needed for bodily functions, such as muscle repair.
What grain is considered a complete protein and is often used in salads or as a side dish?
Quinoa.
Why is it important for athletes to pay attention to their protein intake?
Adequate protein intake supports muscle repair and growth, helps with recovery from exercise, and can improve overall athletic performance.
What are the body's three main sources of energy?
Carbohydrates, Fats and Protein
Why might vegetarians or vegans need to pay special attention to their protein intake?
Vegetarians and vegans may need to pay special attention to their protein intake because many plant-based protein sources are incomplete, meaning they lack one or more essential amino acids. To ensure they receive all the essential amino acids, they must be mindful of pairing different incomplete protein sources (e.g., combining legumes with grains) or include complete protein sources, such as quinoa, soy products, and chia seeds, in their diets.
What are some common food combinations that create complete proteins from incomplete protein sources?
Common combinations include rice and beans, whole wheat bread with peanut butter, and lentils with rice. These combinations provide all essential amino acids when eaten together.
Can you name a common source of saturated fat that we used in our last cooking lab?
Butter
How do unsaturated fats benefit heart health?
Unsaturated fats can help lower bad cholesterol levels and reduce the risk of heart disease.
What role do fats play in the absorption of vitamins?
Fats help the body absorb fat-soluble vitamins (A, D, E, and K). These vitamins require dietary fat for proper absorption in the intestines.
What food source is a complete protein and contains omega-3 fatty acids, which are essential unsaturated fats?
Fatty fish
Can you give an example of a meal that combines an incomplete protein with an unsaturated fat?
Hummus (chickpeas and olive oil), rice and avocado salad...
In our chicken, flatbread, and tzatziki sauce lab, what fats and proteins were present? Identify whether each protein is complete or incomplete and specify whether the fats are saturated or unsaturated.
Chicken - Complete, Saturated
Milk - Complete, Saturated
Olive Oil - Unsaturated
Yogurt - Complete, Saturated
Cucumber - Incomplete
Flatbread - Incomplete
What macronutrient provides the most calories per gram?
Fats, providing 9 calories per gram.