The resistance of the tubercle bacillus to various factors is probably due to its

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#Question id: 561

#XL - Q Biochemistry

Enzyme X exhibits maximum activity at pH = 6.9.  X shows a fairly sharp decrease in its activity when the pH goes much lower than 6.4.  One likely interpretation of this pH activity is that:

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#Question id: 19778

#XL - P Chemistry

Cathode rays have same charge to mass ratio as

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#Question id: 31588

#XL - S Microbiology

Bacteria such as Desulfovibrio reduce sulfate to:

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#Question id: 11638

#XL - S Microbiology

Which group includes members that are important primary producers in ocean food webs, causes red tides that kill many fish, and may even be carnivorous?

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#Question id: 27308

#XL - U Food Technology

Match the biomolecules in Column I with the types of bond of in Column II