Parts of cell
their main characterstics and chief
function.
Answers
Explanation:
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PARTS OF CELL ----»
• Cell membrane
• Nucleus
•Cytoplasm
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★CELL MEMBRANE -------›
All living cells are bounded by a membrane called the plasma membrane of the cell membrane it is surrounded by its inner gel like material called protoplasm the plasma membrane controls the entry and exit of substance as per the requirement of cell. The cell of plants, fungi and bacteria have an additional outer covering called the cell wall. The cell wall is an important covering in plant cells; it provides rigidity and protection to the cell against variations in environment. It also gives a definite shape, size and support to the cell.
★ CYSTOPLASM -------›
The portion of the protoplasm inner to the cell membrane but outside the nuclear membrane is called cytoplasm. It acts as a ground substance for all cell activities. It is made up of carbohydrates, proteins, fats, minerals and vitamins along with a large proportion of water. All these components work together to provide a unique living nature to the protoplasm.
★ NUCLEUS --------›
It is the most important part of the cell. It generally lies in the centre of the cell however in some cases it may also occupy peripheral positions. It controls all the activities of the cell. The nucleus is a dense structure bound by a nuclear membrane. The protoplasm of the nucleus is called nucleoplasm. It has a thread like network called chromatin. When the cell is ready to divide this chromatin condenses to form thicker thread like structure called chromosomes. These chromosomes are the structure responsible for the characters (Genes) inherited by one generation from the earlier generations. Many small living structures are present in the cell. These are equivalent to the organs of the body hence they are named as 'cell organelles'.