Understanding the Roles of Proteins

The video explores the diverse roles of proteins, highlighting their presence in food sources like beans and meat, and their function in muscle contraction, hormone production, enzyme activity, cell membrane transport, cell signaling, immune defense, and structural components like hair and collagen.

Which of the following is NOT a common food source of proteins?

• Beans

• Meat

• Nuts

• Rice

What are the building blocks of proteins that are essential for protein synthesis?

• Fatty acids

• Amino acids

• Nucleic acids

• Carbohydrates

Which protein is involved in muscle contraction?

• Collagen

• Actin

• Hemoglobin

• Insulin

What role do enzymes, which are made of proteins, play in the body?

• They provide structural support

• They store energy

• They transport oxygen

• They catalyze metabolic processes

Which of the following is a function of proteins in cell membranes?

• They act as energy reserves

• They produce hormones

• They store genetic information

• They serve as channels or pumps