Cell Reproduction
Cell Cycle & Cell Division Q1. What are substage or phase of interphase of cell cycle.? A: i) G1 phase : Increase in the volume of cytoplasm and number of cell organelles ii) S Phase : Replication of DNA iii) G2 Phase : Synthesis of RNAs and proteins required during cell division. Q2. Why mitosis is called equational division and meiosis called reductional division .? A: Q3. Older people are more likely to develop cancer , but why.? A: Cancerous cell develop when a cell loss their control on its division or made any mistake in such process. In older people, cell have already undergone more cell division, and they have more chance of error in the division mechanism. Q4. Differentiate between intranuclear and extranuclear mitosis .? A. In Internuclear mitosis, the membrane does not disappear and nuclear spindle is not found, and it occur in unicellular organism like Amoeba. Whereas in extranuclear nuclear envelo...