the structure of a bacterial cell

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Since the bacterial cell is prokaryotic, a true nucleus is absent. The nuclear material is represented by DNA which is not associated with histones. It is identified as a nucleoid or bacterial chromosome . It is a circular ring. It is attached at a point to the plasma ..

Introduction - The different kinds of micromolecules and macromolecules that we have studied so far occur in the cell dissolved in solution or as suspensions in a colloidal state. Alternatively, they may be assembled into subcellular components like cell membrane, cytoplasm and ..

Structural Organization of the Cell..

Summary of Structures found in a Cell..

fig. 16.16 - Summary of Structures found in a Cell..

The cell is the fundamental structural and functional unit of living organisms. Cells need energy for active transport, to move molecules between the environment and the cells across cells or within cells. Cells obtain ener..

Nose - Structure - Nose is the sense organ for the sense of olfaction or smell. The receptor cells for olfaction are chemoreceptors, stimulated by chemicals. The receptor cells along with other cells form the olfactory epitheli..