Q. Which among the following is associated with export of exocellular enzymes?

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Q. Ribosomes of prokaryotes have a sedimentation coefficient of?

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Q. Poly-beta-hydroxybutyrate(PHB) present in aerobic bacteria can serve as?

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Q. Which among the following compound when added to cytoplasmic membrane helps in maintaining the rigidity of cell?

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Q. The nucleoid can be made visible under the light microscope by _________

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Q. What helps in the heat resistance of endospore?

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Q. Cysts also have high heat resistance like endospores.

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Q. Which of the following methods can be utilized for removing peripheral proteins of the cytoplasmic membrane?

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Q. Which of the following are true for cytoplasmic membrane?

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Q. The organisms which can use reduced inorganic compounds as electron donors are known as _________

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Q. Which of the following is nutritional characterization of Escherichia coli?

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Q. Which of the following amino acids require sulphur for their synthesis?

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Q. Phosphorus is essential component of __________

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Q. Which of the following are trace elements?

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Q. Which of the following ions are cofactors for various enzymes?

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Q. Red extreme halophiles”, are members of the archaebacterial which cannot grow with less than 12 to 15 percent NaCl.

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Q. Which of the following are functions of water in the culture medium?

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Q. Chromatium okenii uses which of the following compound as electron donor?

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Q. Which of the following bacteria can grow both as chemolithotrophs or as chemoorganotrophs?

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Q. Which of the following is a characteristic of beef extract?

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