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TLS Online TPP Program

#Question id: 380

The Henderson-Hasselbalch equation:

#XL - S Microbiology

  1. allows the graphic determination of the molecular weight of a weak acid from its pH alone.

  2. is equally useful with solutions of acetic acid and of hydrochloric acid.

  3. relates the pH of a solution to the pKa and the concentrations of acid and conjugate base.

  4. does not explain the behavior of di- or tri-basic weak acids

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TLS Online TPP Program

#Question id: 4967

#XL - S Microbiology

Recent evidence indicates that the first major diversification of multicellular eukaryotes may have coincided in time with the
TLS Online TPP Program

#Question id: 3013

#XL - S Microbiology

Bacteria survive adverse conditions by forming
TLS Online TPP Program

#Question id: 27297

#XL - U Food Technology

In which of the following reaction, amadori intermediate is formed
TLS Online TPP Program

#Question id: 459

#XL - S Microbiology

Calculate △G°ʹ for the reaction shown if the mass action ratio, Q, is 5.3 × 102 M-1 and △G is 46 kJ/mol at a temperature of 298 K. (R = 8.315 J/K-mol)

ADP + Pi ⇌ ATP
TLS Online TPP Program

#Question id: 8927

#XL - R Botany

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that