BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Lipids act as insulator under the skin and prevents heat from escaping out of the body. It makes sure the heat in our body does not escape and keeps us warm.

Detailed explanation-2: -Lipids are an efficient source of energy (9kcal per gram) that the body stores in relative abundance. They also play an important role as building blocks for cell membranes, hormones, and physiologically active substances.

Detailed explanation-3: -Triacylglycerols, the most common lipid, comprise most body fat and are described as fats and oils in food. Excess energy from food is stored as adipose tissue in the body. Fats are critical for maintaining body temperature, cushioning vital organs, regulating hormones, transmitting nerve impulses, and storing memory.

Detailed explanation-4: -The main biological functions of lipids include storing energy, as lipids may be broken down to yield large amounts of energy. Lipids also form the structural components of cell membranes, and form various messengers and signaling molecules within the body.