Asters should be cut back in late fall or early spring, after the first frost has killed the foliage but before new growth begins. This helps prevent disease and encourages healthy growth in the spring. If you're looking for a tidier appearance or to control their spread, cutting them back by about one-third can be done in early summer. Always ensure to remove any dead or damaged stems throughout the growing season.
The centrioles in animal cells form the asters and the spindle fibers.
The centrioles and asters are visible in the mid-prophase stage of mitosis.
Asters are star-shaped structures made of microtubules found in animal cells. They are located around the centrosomes during cell division, specifically in the region close to the poles of the cell. Asters play a crucial role in organizing and positioning the mitotic spindle during cell division.
Chromatin
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Asters
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Asters are formed during the prophase of mitosis in animal cells. They are structures made up of microtubules that radiate from the centrosomes, which help in the organization and separation of chromosomes during cell division. The formation of asters is crucial for the proper alignment and segregation of chromosomes to ensure accurate cell division.