Introduction to Cell
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, cyto..
Cell Reproduction Introduction
Introduction - One of the main ideas in the modified cell principle is that new cells arise from pre-existing cells (Omnis cellula e cellula). Every new cell formed must inherit not only the nucleus which contains the genetic information, but also s..
Introduction
One of the main ideas in the modified cell principle is that new cells arise from pre-existing cells (Omnis cellula e cellula). Every new cell formed must inherit not only the nucleus which contains the genetic information, but also should inherit the ce..
Introduction
In unicellular organisms a single cell carries out all the life processes as the cell itself is the organism. In advanced forms like the few-celled algae, protozoa, sponges, etc., the size of the organism ensures that all the cells are not very far from..
Introduction
Every cell, whether it is prokaryotic or eukaryotic, is enclosed in a thin covering called cell membrane. It is also called as plasma membrane or plasma lemma. The cell membrane can only be seen through the electron microscope since its thickness is well below th..
Introduction
Every cell, whether it is prokaryotic or eukaryotic, is enclosed in a thin covering called cell membrane . It is also called as plasma membrane or plasma lemma . The cell membrane can only be seen through the electron microscope since its thickness is well below the re..
Every cell, whether it is prokaryotic or eukaryotic, is enclosed in a thin covering called cell membrane . It is also called as plasma membrane or plasma lemma . The cell membrane can only be seen through the electron microscope since its thickness is well below the re..Introduction
The living cells contain specific macromolecules with a high molecular weight and a poor solubility. Generally in a cell, macromolecules are represented by polysaccharides, proteins, nucleic acids and enzymes. These compounds are formed by polymerisation of micromolecules ..
Introduction
Materials formed in one part of the body have to be taken up to other parts where they are needed or to be got rid of. This is an essential requirement of most animals. This function is performed by the body fluids. The movement of the body fluids i.e. blood and lymph from one part of the body to t..
Introduction
Every organism, whether its body is unicellular or multicellular, is capable of performing all vital functions such as respiration, ingestion, excretion and reproduction. In multicellular organisms, because of the increase in body size, it is difficult for each cell to efficiently cope wi..
Introduction
Every organism, whether its body is unicellular or multicellular, is capable of performing all vital functions such as respiration, ingestion, excretion and reproduction. In multicellular organisms, because of the increase in body size, it is difficult for each cell to efficiently cope wi..
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