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TLS Online TPP Program

#Question id: 382

The molar ratio of sodium acetate to acetic acid in a buffer solution with a pH OF 5.76 is 10:1. Assuming the total buffer concentration is 2.2 X 10-2 mol/L, how many grams of sodium acetate (m.w. 82) and how many grams of acetic acid (m.w. 60) should be used in preparing a litre of the solution?

#XL - S Microbiology

  1. 0.120 g/L

  2. 0.134 g/L

  3. 0.225 g/L

  4. 0.178 g/L

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TLS Online TPP Program

#Question id: 15669

#XL - R Botany

 Which of the following is a description of generalized transduction?
TLS Online TPP Program

#Question id: 19783

#XL - P Chemistry

The correct Schrodinger’s wave equation for an electron with E as total energy and V as potential energy is
TLS Online TPP Program

#Question id: 815

#XL - Q Biochemistry

The cis conformation shows Cα atoms are on the same side of the peptide bond, is ∼8 kJ mol−1 less stable than the trans conformation. Why?
TLS Online TPP Program

#Question id: 3668

#XL - S Microbiology

In most plasmids, the genes for proteins required for replication are located very close to the ______________ at which their gene are transcribed.
TLS Online TPP Program

#Question id: 4952

#XL - T Zoology

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?