Mole Choice Questions MCQs Four options are given at the end of each statement. You should encircle one option from them. The centromere is a specific DNA sequence of about number of nucleotides. (a) 110 (b) 230 (c) 220 (d) 330 DNA replicates during:
Write on cell cycle Give mechanism of control of cell cycle. Write not on mitosis. Describe different step of meiosis. Discuss spermatogenesis and oogenesis.
THE CELL CYCLE The period from the time a cell is produced until it completes mitosis is called cell cycle. Cell division occurs during growth and repair processes. Cell cycle has following basic stages: (a) Mitosis: It is the division of the nucleus. (b)
The quantitative increase in plant body is called growth. Following processes are involved in the growth and development of plants: Cell division Cell elongation Differentiation of cells into tissues and then organs. Growth is an irreversible increase in size and development. It is a