BIOMOLECULES AND ENZYMES

Detailed explanation-1: -A 4-ounce broiled sirloin steak is a great source of protein-about 33 grams worth.

Detailed explanation-2: -Even the rarest and reddest of steaks is actually bloodless. Instead, what you’re looking at is a combination of water, which makes up about 75 per cent of meat, and a protein found in muscle tissue called myoglobin.

Detailed explanation-3: -Healthy sources of protein include eggs, nuts, lean meats, fish, dairy, and certain grains.