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Nucleotide Definition Nucleotides can be defined as the organic molecules that act as the building blocks of the genetic materials – DNA and RNA. But, the function of the nucleotides is not limited only to this. They also have other roles to play. For example, they form a part of cell signaling, enzyme reactions, as … Read more


Phospholipid Definition In simple terms, the phospholipid can be called as one of the primary components of the cell membrane. In the cell membrane, these phospholipids will be organized into a “bilayer”, thereby, acting as the framework of the cell in which the other components of the cell membrane will be embedded. As the name … Read more

Central Vacuole

Central Vacuole Definition To put it simply, the central vacuole is membrane-bound organelle that can be seen in the cells of the following organisms: Plants Fungi Protists Animals Bacteria Until recently, it has been believed that all the vacuoles that are present in all these types of cells have a common origin. But, the recent … Read more