Answer:
The correct option is : b. centrosome
Explanation:
Centrosome is a cell organelle, which acts as the microbule organizing center and also regulates the cell cycle progression in an eukaryotic cell.
During the prophase stage of the cell cycle, the centrosomes are associated with the membrane of the nucleus. The nuclear membrane ruptures during the mitosis and the interaction of the centrosome nucleated microtubules with the chromosomes leads to the formation of the mitotic spindle.
<u>Therefore, mitotic spindles arise from the centrosome.</u>
This was because one cannot view a single strain of DNA as it is too small for one to visually comprehend.
Answer:
stomata are tiny pores present on a surface of leave which helps in exchange of gases
Correct answer is (D. Once created in bone marrow, they circulate for our lifetime)
