Quiescent centre is the zone of

Consider the following statements about colchicine

I. It is an alkaloid widely used in plant breeding for doubling the chromosome number

II. Colchicine induced polyploidy has been used in raising several varieties of horticulture and agricultural plants

Which of the statements given above is/are correct?

Quiescent centre is the zone of

Which of the following statements are correct for cell cycle?

I. Cell cycle is the sequence of events involving growth and division of a cell from the time of its formation to its own division into daughter cells

II. Cell growth (in terms of cytoplasmic increase) is a continuous process

III. DNA synthesis occurs only during one specific stage in the cell cycle

IV. The replicated chromosomes (DNA) are distributed to daughter nuclei during cell division

Yeast cell cycle duration is

Which of the following occurs more than one and less than five in a chromosome?

Which of the following statements are correct for multicellular cell division?

I. Cell division brings about embryonic development and growth

II. It plays a role in repair and maintenance of the body

III. It is important for reproduction

The correct option is

Failure of cytokinesis after …A… stage of cell division results in an increase in a whole set of chromosomes in an organism called …B…

Colchicine arrests spindle at

Mitotic spindle is mainly composed of which proteins?

Which of the following are properties of reserved cells?