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Q. What is mitotic apparatus?
Mitotic apparatus is the set of aster fibers, radial structures around each centriole pair, plus the spindle fibers, fibers that extend across the cell in between the two centriole pairs located in opposite cell poles. The mitotic apparatus appears in prophase and has important role in the gripping and orientation of chromosomes and other cellular elements causing them to separate and migrate to opposite cell poles.
Substances that disallow the formation of the mitotic apparatus, like colchicine a molecule that binds to tubulin molecules and protects the synthesis of microtubules interrupt cell division. Colchicine is used to learn chromosomes since it paralyzes mitosis when chromosomes are condensed and so are more easily viewed under the microscope.
Each gene has a characteristic mutation rate. Mutation rates are often described as an average per gene basis. For instance, Drosophila has one detectable mutation per 10,000 loci,
WAXES These are monoglyceride compounds. They are chemically inert (due to absence of double bonds) and insoluble in water. On heating they become soft and pliable
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Beta decay is the type of radioactive decay in which the radioisotope emits a little negatively-charged and fast-moving particle from its nucleus. A beta particle is almost simila
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