Golgi Apparatus: Definition, Structure, Functions
Figure: Diagram of the Golgi Apparatus Structure of Golgi Apparatus A. Cisternae B. Tubules C. Vesicles The vesicles (60 nm in diameter) are of three types: (i) Transitional vesicles are … Read more
Cell biology or cytology is a branch of biology that deals with studies related to the structure and function of a cell-based on the concept that the cell is the fundamental unit of life.
Figure: Diagram of the Golgi Apparatus Structure of Golgi Apparatus A. Cisternae B. Tubules C. Vesicles The vesicles (60 nm in diameter) are of three types: (i) Transitional vesicles are … Read more
Cell organelles are specialized entities present inside a particular type of cell that performs a specific function. There are various cell organelles, out of which, some are common in most … Read more
An animal cell is a eukaryotic cell that lacks a cell wall, and it is enclosed by the plasma membrane. The cell organelles are enclosed by the plasma membrane including … Read more
The cytoplasm is the semi-viscous ground substance of the cell. All the volume of such substances outside the nucleus and inside the plasma membrane is cytoplasm. Structure/ Components of the … Read more
Plants and animals are made up of millions of cells and these cells have several similarities and differences. Considering that they are both eukaryotic cells, which means they have a … Read more
Structure and Composition of Plasma Membrane All biological membranes are constructed according to a standard pattern. They consist of a continuous bilayer of amphipathic lipids approximately 5 nm thick, into … Read more
Structure of Endoplasmic Reticulum (ER) The endoplasmic reticulum may occur in the following three forms: The Cisternae The Vesicles The Tubules Types of Endoplasmic Reticulum (ER) 1. Smooth Endoplasmic Reticulum … Read more
Cytokinesis is a physical process of cell division, that normally takes place after mitosis. Cytokinesis is the physical division of the cell cytoplasm, the cell membrane, and cell organelles in … Read more
Image Source: Pearson Education Features of Passive Transport Types of Passive Transport The four main kinds of passive transport are simple diffusion, facilitated diffusion, filtration, and/or osmosis. Simple Diffusion Facilitated diffusion Filtration Osmosis Channels … Read more
The cell wall is a rigid and protective layer around the plasma membrane which provides mechanical support to the cell. It is a non-living structure that is formed by the … Read more