Molecular mass of volatile substance is determined by

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#Question id: 568

#XL - Q Biochemistry

Which of the following statements about allosteric control of enzymatic activity is false?

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#Question id: 15449

#XL - S Microbiology

Class switch recombination of B-cell that is generated upon recognition of protein antigens and requires the participation of_____

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#Question id: 15172

#XL - S Microbiology

Nitrifying bacteria such as Nitrosomonas and Nitrosospira are soil and aquatic bacteria of considerable ecological significance. They oxidize ammonia to nitrite. They are called as

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#Question id: 2145

#XL - Q Biochemistry

An electrogenic Na+ transporter:

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#Question id: 13229

#XL - R Botany

Deficiencies in mineral elements in most species chlorosis (yellowing of the leaves), especially in the older leaves near the base of the plant by