Cell Division
Cell Division
Cell division is the process in which parent cell divides into daughter cells.These daughter cells further divide to form new daughter cells.Cell division is actually a part of cell cycle. The cell cycle is a four stage process in which the cell increases in size, copies its DNA, prepares to divide, and divides. Cell division is a also a method of reproduction.
There are basically two types of cell divisions :- Mitosis and Meiosis
Mitosis:
Mitosis is the process of cell division in which a cell divide to form two daughter cells. Before division of cell there occur duplication of genetic material(DNA) and cytoplasm which is distributed equally among the daughter cells. Mitosis division is also called as equational division because the number of chromosomes in each daughter cells are equal to there parents. Mitosis is observed in almost all the body’s cells, including eyes, skin, hair, and muscle cells.
Meiosis:
Meiosis is a type of cell division in which parent cell divide to give rise four daughter cells. This division is also know as reductional division because in this type of division number of chromosomes in each daughter cell are half then that of the parent cell. This type of division is seen in formation of gametes like sperms and egg.
Cell Cycle:
A cell cycle is a series of events that takes place in a cell as it grows and divides. The cell cycle is divided into two stages :-
Interphase or Preparatory Phase:
Interphase is the longest stage of the cell cycle. During this phase, the cell acquires nutrients, creates and uses proteins and other molecules, and starts the process of cell division by replicating the DNA. Interphase is divided into three distinct stages : Gap 1(G1), Synthesis(S) , Gap 2(G2) and Gap 0 (G0).
Mitosis phase or M phase:
This is the phase where cell division occur or cell divide into daughter cells. These phase includes cytokinesis( cytoplasm division) and karyokinesis (nucleus division). Mitosis phase is also divided into four stages : Prophase, Metaphase, Anaphase and Telophase.
___________________ is the correct sequence of phases during mitosis. | |||
| Right Option : D | |||
| View Explanation | |||
The characteristic feature of meiosis is that ___________________ | |||
| Right Option : D | |||
| View Explanation |
Mitosis is the process of cell division in which a cell divides to form _________________ daughter cells. | |||
| Right Option : A | |||
| View Explanation | |||
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My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
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Barkha Arora
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Om Umang
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Archit Segal
7thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
Aman Kumar Shrivastava
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Eshan Arora
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Yatharthi Sharma
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Yogansh Nyasi
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Manya
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8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
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8thThe experience was nice. I studied here for three years and saw a tremendous change in myself. I started liking subjects like English and SST which earlier I ran from. Extra knowledge gave me confidence to overcome competitive exams. One of the best institutes for secondary education.
Aman Kumar Shrivastava
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10thMy experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
Hridey Preet
9thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
