Proteins and Their Functions

What are proteins essential for in the body?

• Transporting oxygen in the blood

• Storing fat in the body

• Building and repairing tissues, producing enzymes and hormones, supporting immune function, and providing energy.

• Regulating body temperature

What are the building blocks of proteins?

• Carbohydrates

• Nucleotides

• Fatty acids

• Amino acids

How do amino acids connect to form proteins?

• Amino acids connect through ionic bonds during protein synthesis.

• Proteins are formed by mixing amino acids in water.

• Amino acids are absorbed directly into the bloodstream.

• Amino acids connect by forming peptide bonds through dehydration synthesis.

What determines the unique structure of a protein?

• The sequence of amino acids in the protein.

• The temperature of the environment.

• The presence of metal ions in the solution.

• The pH level of the solution.

Name two animal sources of complete proteins.

• tofu

• salmon

• quinoa

• eggs, chicken

What are some plant-based sources of protein?

• Fish and seafood

• Legumes, nuts, seeds, whole grains, and certain vegetables.

• Meat and poultry

• Dairy products

Why are animal proteins considered complete?

• Animal proteins lack any amino acids.

• Animal proteins are primarily carbohydrates.

• Animal proteins provide all essential amino acids.

• Animal proteins are low in calories.

How do proteins function like machines in the body?

• Proteins only store genetic information.

• Proteins are solely responsible for energy production.

• Proteins act as machines by catalysing reactions, transporting substances, and providing structural support.

• Proteins function as hormones without any structural role.