Lustre and metallic are finishes of photo prints that are very different from each other. While preserving memories, people like to order their prints in either Lustre or metallic finishes depending upon their liking.
Structure of an animal cell. The cell (from Latin cella, meaning small room) is the basic structural, functional, and biological unit of all known living organisms. A cell is the smallest unit of life that can replicate independently, and cells are often called the building blocks of life. The study of cells is called cell biology.
A: The smallest unit of life is the cell. While there are other building blocks smaller than a cell, such as organelles and quarks, a cell is the smallest structure that functions independently. It can also replicate and perform all the necessary functions of life.