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प्रश्न
Define the following term:
Aster
उत्तर
The centrosome (in animal cell) splits into two along with the simultaneous duplication of the centrioles contained in it. The daughter centrioles move apart and occupy opposite "poles" of the cell. Each centriole is surrounded by radiating rays and is termed an aster (aster : star).
संबंधित प्रश्न
Shown below are four stages (A, B, C, D) (not in sequence) of a certain kind of cell division.
- Is it a plant cell or an animal cell? Give two reasons.
- Is it undergoing mitosis or meiosis?
- What should be the correct sequence of these four stages among themselves?
- Name the stage that should precede the earliest of these stages.
- Draw the stage names above inside the blank space provided.
Somatic and stem cells undergo ______ type of division.
What type of cell division does occur in somatic cells of the body?
Name the structure which initiates cell division?
Explain the advantages of cell division to your friend.
During meiosis in pachytene, stages the paired chromosomes are called ______.
Mitosis was discovered by ______.
Spindle formation occurs in amitosis.
A mature RBC lacks a nucleus.
Explain amitosis.
