BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Each gram of carbohydrate and protein yield 4 calories/gram. Each gram of fat yields 9 calories.

Detailed explanation-2: -What Are Fat and Calories? A calorie is a unit of energy that measures how much energy food provides to the body. The body needs calories to work as it should. Dietary fats are nutrients in food that the body uses to build cell membranes, nerve tissue (like the brain), and hormones.

Detailed explanation-3: -Which foods are high fat? Besides the two forms of pure fat mainly used for cooking (animal fats and plant oils), nuts, seeds, salad dressings, processed foods, chips, crackers and dairy products are the most common sources of fat in the modern Western diet.

Detailed explanation-4: -There are four main types of fat: saturated, trans, monounsaturated and polyunsaturated fat. The American Diabetes Association recommends including more monounsaturated and polyunsaturated fats than saturated or trans fats in your diet.