Q241
Open questionThe DNA molecules identified within mitochondria are
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Cell Biology
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Q242
Open questionThe enzymes of Krebs' cycle are present in the mitochondrial
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Q243
Open questionConsider the following statements regarding microtubules and choose the correct answer:
1. The wall of a microtubule is made of 13 longitudinal filaments, each a polymer chain of tubulin
2. Microtubules help in the maintenance of cell form, cell mobility and movement of chromosomes
3. Microtubules occur only in bundles in the cytoplasm
1. The wall of a microtubule is made of 13 longitudinal filaments, each a polymer chain of tubulin
2. Microtubules help in the maintenance of cell form, cell mobility and movement of chromosomes
3. Microtubules occur only in bundles in the cytoplasm
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Q244
Open questionWhich one of the following cell organelles does not possess nucleic acid?
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Q245
Open questionWhich one of the following is also called the 'power plants' of the cell?
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Q246
Open questionMammoth is the ancestor of
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Q247
Open questionNuclear membranes appear to have electron transport systems similar to those of the
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Q248
Open questionThe Golgi bodies very common in the secretory cells are originated from
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Q249
Open questionAccording to recent proof, the life on earth emerged approximately
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Q250
Open questionWhich one among the following statements is correct?
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Q251
Open questionIn prokaryote cells, the subunit RNA precursors are trimmed to form
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Q252
Open questionIn each diploid set of chromosomes, two homologous chromosomes have additional 'constrictions' called
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Q253
Open questionWhich of the following organelle of a cell is involved in photosynthesis?
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Q254
Open questionThe inner mitochondrial membrane and the matrix together constitute the
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Q255
Open questionSmooth endoplasmic reticulum acts as a major site for the synthesis of
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Q256
Open questionThe outer membrane of the nuclear envelope forms finger like processes which are pinched off into the cytoplasm. This process has been called
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Q257
Open questionThe process by which the termin chiasma slips off the ends of the chromosome and its position is taken up by an interstitial chiasma is called
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Q258
Open questionThe only living component of a cell wall is
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Q259
Open questionThe membranous sacs of the thylakoids consist of
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Q260
Open questionWhich one of the following groups of cellular organelles contains DNA?
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