A cell cycle includes:
- interphase and $M$ phase
- prophase, metaphase, anaphase
- $G_{1}, S$ and $G_{2}$ phases
- karyokinesis and cytokinesis
The Correct Option is A
Solution and Explanation
The cell cycle in a living cell comprises several stages and substages. Option A is the correct choice because interphase and M phase encompass the stages necessary to complete a cell cycle, each containing additional substages within them.
The other options provided are inaccurate in describing a complete cell cycle because they primarily represent substages:
B. Prophase, metaphase, anaphase, and telophase: These stages pertain to mitosis, which is only a component of the M phase within the cell cycle.
C. G1, S, and G2 phases: These phases are specific sub-phases of interphase, but they do not encompass the entirety of the cell cycle.
D. Karyokinesis and cytokinesis: Karyokinesis refers to nucleus division (mitosis), and cytokinesis refers to cytoplasm division. While these processes are part of the M phase, they do not constitute the entire cell cycle.
So, the correct option is (A): interphase and \(M\) phase.
Top Questions on cell cycle and cell division
- Choose the correct statements among the following:
1. Duplication of genome, synthesis of other cell constituents, and division to produce new cells is called cell cycle.
2. Interphase is followed by a resting phase.
3. In every cell division, genetic variability will increase from generation to generation.
4. Plant cells can divide mitotically in both haploid and diploid cells.
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A) Formation of synaptonemal complex
B) Repulsion between Homologous chromosomes
C) Formation of Bivalents
D) Exchange of Genetic material between non-sister chromatids of Homologous chromosomes
E) Terminalization
The correct sequence is
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Concepts Used:
Cell Cycle and Cell Division
Cell Cycle:
The sequence of events by which a cell copies itself synthesizes other constituents of the cell and eventually splits into two daughter cells is termed the cell cycle. The cell synthesizes all its constituents in a sequential pattern to make sure the proper division and distribution of components that occurs between the two daughter cells. Therefore, we can say that the cell cycle is the period of time between the development of new daughter cells and their further division.
Stages of Cell Cycle:
The cell cycle can be sub-divided into an additional category of Interphase. Meanwhile, the Interphase can be branched into 3 further stages, such as:
- G1 Phase - “Gap 1 Phase”
- S Phase - "Synthesis Phase"
- G2 Phase - "Gap 2 Phase"
Read More: Cell Cycle and Cell Division
Cell Division:
The division of the parent cells into two or more cells is called daughter cell, cell division takes place. In general, it occurs as a part of a larger cell cycle. All the cell reproduces by dividing into two, wherein each parental cell produces two daughter cells.
Stages of Cell Division:
Cell division can be widely divided into several sub-segments that result from Mitosis and Meiosis.
- Mitosis or (M Phase)
- Meiosis