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What two structures seen in the animal cell are composed of microtubules are produced by the centriole?
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Reproductive structures of a plant are produced by the plant's leaves?
No. The reproductive structures can be produced by flowers/fruit, or bulbs (in the roots).
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.
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.
How are separate sperm containing and egg containing structures are produced?
Water molds
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 is the function of the centrosomes?
it is an area in the cell where microtubules are produced.
Reproductive structures of a plant are produced by the plant's leaves?
No. The reproductive structures can be produced by flowers/fruit, or bulbs (in the roots).
What are the structures where sexual spores are produced calle?
sporangia.
Structure of the cytoskeleton?
Recently complex networks of fibrous protein structures have been shown to exist in the cytosol of eukaryotic cells. These network collectively form cytoskeleton which contains protein fibres.
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.
What evolution has produced many of the analogous structures in organisms today?
They don't. Homologous structures provide evidence for evolution not analogous structures.
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 is the record produced by the use of ultrasound to image brain structures?
sonogram
Which reproductive structures are produced within the ovaries of plants?
pollen grains
What are found in sac-like structures produced by specialized hyphae?
Ascus.
