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Cell Wall in Plant Cells
A cell wall surrounds the plasma membrane in all plant cells. It is a porous covering of about 0.1 milli microns to 10 milli microns in size. The cell wall is chiefly composed of insoluble polysaccharides. The most common constituent is ce..
Cell Formation
During this phase the meristematic cells divide to form new cells. Division is restricted to the apical meristems, both at root and shoot tips. The newly formed daughter cells are thin walled and have dense protoplasm. The daughter cells have the sa..
Compartmentalization in Cells
Each cell can be regarded as a compartment by itself since it is bound on all the sides by a cell membrane. It separates the protoplasm within the cell from the surrounding environment. As a result, the cell is able to retain specific molecule..
Compartmentalization in Cells
Each cell can be regarded as a compartment by itself since it is bound on all the sides by a cell membrane. It separates the protoplasm within the cell from the surrounding environment. As a result, the cell is able to retain specific molecules and ..
Cell Principle
The modified form of cell theory is called cell principle. It applies almost completely and universally to living organisms. The cell principle is also called cell doctrine. Following are the statements of cell principle. Life exists only in ce..
Prokaryotic and Eukaryotic Cells
.10 - Prokaryotic and Eukaryotic Cells The eukaryotic cells have an organised nucleus. The genetic material is found forming a distinct thread like chromatin. It is bound by a distinct nuclear membrane that separates it from the surrounding cytoplasm. Membran..
Cell As A Unit Of Life Summary
>The capacity of any differentiated cell with an active nucleus, to give rise to an entire organism, is called totipotency. Totipotency is well expressed in plant cells and is lost in several types of animal cells because of a high degree of specialization. Every livin..
Classification of Plants and Animals
Cellulose cell wall surrounds the cell membrane.Cell wall is absent in animal cells..
Lysing Enzymes
These are enzymes used to extract DNA from a cell for genetic experiments. Lysozyme is commonly used to dissolve the bacterial cell wall..
Meiosis
It is a type of cell division that occurs only in the reproductive cells and hence it is known as germ cell division. The daughter cells resulting from meiosis will carry half the number of chromosomes and half the amount of genetic ..
Result
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