1 When struck, crystal produces a musical ring. 2  Glass does not. 3  If you wet your finger and run it around the rim of a crystal glass it will also produce a musical tone. 4  Crystal can be worked thinner than glass, so if the rim of a piece is exceptionally thin it's probably crystal.
Nucleus: They are the membrane bound organelles, which are found in all eukaryotic cells. It is the very important organelle of a cell as it controls the complete activity of a cell and also plays a vital role in reproduction.t forms a connection between nuclear envelope and the cell membrane of a cell. Mitochondria: They are rod shaped organelles, plays an important role in releasing energy and they are the powerhouse of a cell. In plant cell, they are the sites of cellular respiration.
These organelles are specified to perform certain activities that are important for the survival of the cell. All the cells function together in coordination with each other and help the organism to survive. The functions of animal cell is carried out by the different cell organelles. The organelles of the cell function as a unit and regulate the activities of the cell. The different cell organelles and their functions are as follows: