👉 Ultrastructure refers to a part of an organism's cell structure that is unique and different from other parts. It includes all cellular components, including nucleic acids (DNA and RNA), proteins, carbohydrates, lipids, and organelles such as mitochondria or chloroplasts. In the context of biology, ultrastructures can be found in cells, tissues, organs, and organisms. They are responsible for maintaining the integrity and function of the cell, enabling it to carry out various functions and processes
