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What is the function of an aster?
Asters are microtubules(components of the cellular cytoskeleton) produced by centrioles. Their function is to hold the two centrioles in place at the two poles of the cell during cell division(mitosis). Spindle fibres produced by the centrioles are also microtubules which help in organising chromosomes at the equatorial plane of the cell during metaphase. Mitosis in which asters are formed is called astral mitosis.
Reproductive structures of a plant are produced by the plant's leaves?
Reproductive structures of a plant, such as flowers and seeds, are typically not produced by the leaves. Instead, they are produced by specialized structures like flowers and cones. Leaves are primarily responsible for photosynthesis and gas exchange in plants.
What are the structure on the underside of fronds called in which the spores of ferms are produced?
sorialso sporangiaSori are the structures on the underside of fronds in which the spores of ferns are produced.
What phase of the eukaryotic cell cycle do microtubules arrange in preparation for mitosis?
they are produced by centrosome and they bind to the centromeres of sister chromatids during metaphase pulling each sister chromatid opposite sides so each daughter cell would contain one of them. mitotic division doesnt proceeds before microtubules bind to each centromere
What structures does this vascular cambium produce and where are they produced?
The vascular cambium produces secondary xylem (wood) and secondary phloem, which are formed in a lateral direction. These structures are produced between the primary xylem and primary phloem in stems and roots of plants. The secondary xylem is produced toward the interior, while the secondary phloem is produced toward the exterior, contributing to the increase in girth of the plant.
What is the function of the centrosomes?
it is an area in the cell where microtubules are produced.
What is the function of an aster?
Asters are microtubules(components of the cellular cytoskeleton) produced by centrioles. Their function is to hold the two centrioles in place at the two poles of the cell during cell division(mitosis). Spindle fibres produced by the centrioles are also microtubules which help in organising chromosomes at the equatorial plane of the cell during metaphase. Mitosis in which asters are formed is called astral mitosis.
Reproductive structures of a plant are produced by the plant's leaves?
Reproductive structures of a plant, such as flowers and seeds, are typically not produced by the leaves. Instead, they are produced by specialized structures like flowers and cones. Leaves are primarily responsible for photosynthesis and gas exchange in plants.
What is hair composed of?
Hair is composed of a protein called keratin, which is produced by hair follicles in the skin.
What are the structures where sexual spores are produced calle?
sporangia.
Are centrioles cell structures that are involved primarily in cell division?
Yes The centrosome, also called the "microtubule organizing center", is an area in the cell where microtubles are produced. Within an animal cell centrosome there is a pair of small organelles, the centrioles, each made up of a ring of nine groups of microtubules. There are three fused microtubules in each group. The two centrioles are arranged such that one is perpendicular to the other. During animal cell division, the centrosome divides and the centrioles replicate (make new copies). The result is two centrosomes, each with its own pair of centrioles. The two centrosomes move to opposite ends of the nucleus, and from each centrosome, microtubules grow into a "spindle" which is responsible for separating replicated chromosomes into the two daughter cells.
What are the secretory substances produced by endocrine structures called?
Hormones
The hormones produced by these endocrine structures are secreted into the?
blood stream
What are the structure on the underside of fronds called in which the spores of ferms are produced?
sorialso sporangiaSori are the structures on the underside of fronds in which the spores of ferns are produced.
What are found in sac-like structures produced by specialized hyphae?
Ascus.
What are the two hormones produced by the structures within the ovary?
estrogen and progesterone
What is the record produced by the use of ultrasound to image brain structures?
sonogram
