describe the cell cycle.
Answers
Answer:
The cell cycle, or cell-division cycle, is the series of events that take place in a cell that cause it to divide into two daughter cells.
Explanation:
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Answer:
Cell cycle is defined as the series of events that take place in a cell which results in the duplication of DNA and division of cytoplasm and organelles to produce two daughter cells.
Explanation:
Cell
The cell is the basic structural and functional unit of any living being. It is the fundamental building block, which when combined with similar cells forms tissue and organs
Cell Cycle
The cell cycle was discovered by Prevost and Dumas in 1824 while studying the cleavage of zygote of Frog. Cell cycle is a series of stages a cell passes through, to divide and produce new cells. This entire process where with the help of one single parent cell, a new cell population grows and develops is known as the cell cycle.
Cell cycle or cell division is define as the series of events that take place in a cell leading to its maturity and subsequent division. These events include duplication of its genome and synthesis of the cell organelles followed by division of the cytoplasm.
Human cells exhibit typical eukaryotic cell cycle and take around 24 hours to complete one cycle of growth and division. The duration of the cycle, however, varies from organism to organism and cell to cell.
A typical eukaryotic cell cycle is divided into two main phases:-
- Interphase: Interphase is also known as the resting phase of the cell cycle. Interphase is the time during which the cell prepares for division by undergoing both cell growth and DNA replication. It occupies around 95% time of the overall cycle. The interphase is divided into three phases namely, G1 Phase (Gap 1), S-Phase (synthesis) and G2 Phase (Gap 2).
- M Phase: This is the mitotic phase or the phase of the equational division as the cell undergoes a complete reorganization to give birth to a progeny that has the same number of chromosomes as the parent cell. The other organelles are also divided equally by the process of cytokinesis which is preceded by mitotic nuclear division. The mitotic phase is divided into four overlapping stages namely, prophase, metaphase, anaphase and telophase.
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