Discuss the biological role of lipids (8 marks)

Lipids are fatty acids which can have a structural or functional role in cells:

For example structural lipids in the cell membrane are important in the cell membrane structure as they enable the cell to move and aid in the process of diffusion. Functional roles include that of fatty acid chains such as cholesterol which acts as an energy storage.  These can later be Brocken down into smaller particles to release energy.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]