Structure of a Generalized Cell:
Structural of a cell can be studied under light microscope as well as electron microscope. The modern technology enables us to isolate various components of cells including its organelles by a process of cell fractionation and study their structure and function in detail. During cell function the tissues are homogenized or disrupted with special instruments and the various parts of the cells are separated by density gradient centrifugation. This separation is achieved by spinning the homogenized or disrupted cells in a special medium in a centrifuge at medium speed. The various cellular parts separate out in different layers depending upon their size and weight, and density of the medium, some cellular component requires very high speed for separation for other parts of the cells. This is achieved through ultracentrifugation.
A cell consists of the following basic component:
1. Plasma membrane, also a cell wall in plant cell.
2. Cytoplasm, containing cells organelles.
3. Nucleolus, with nuclear or chromatin material.
In the traditional system of classification all organism are divided into plats and animals. The cells of plants and animals can be distinguished by the presence or absence of cell wall. Cells of animals and plants are complex and have a distinct nucleus chromatin material is bounded by a membrane and are called eukaryotic.
Structural of a cell can be studied under light microscope as well as electron microscope. The modern technology enables us to isolate various components of cells including its organelles by a process of cell fractionation and study their structure and function in detail. During cell function the tissues are homogenized or disrupted with special instruments and the various parts of the cells are separated by density gradient centrifugation. This separation is achieved by spinning the homogenized or disrupted cells in a special medium in a centrifuge at medium speed. The various cellular parts separate out in different layers depending upon their size and weight, and density of the medium, some cellular component requires very high speed for separation for other parts of the cells. This is achieved through ultracentrifugation.
A cell consists of the following basic component:
1. Plasma membrane, also a cell wall in plant cell.
2. Cytoplasm, containing cells organelles.
3. Nucleolus, with nuclear or chromatin material.
In the traditional system of classification all organism are divided into plats and animals. The cells of plants and animals can be distinguished by the presence or absence of cell wall. Cells of animals and plants are complex and have a distinct nucleus chromatin material is bounded by a membrane and are called eukaryotic.
