If you have a polypeptide of size 11 kilo Daltons, what would be the mass of the open reading frame that codes for the polypeptide? The average mass of an […]
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Phosphoric Acid Predominant Form at pH 3.2
Phosphoric acid is tribasic with three pKa values of 2.14, 6.86, and 12.4, respectively. The ionic form of the acid that predominates at pH 3.2 is: PO43- HPO42- H2PO4- H3PO4- […]
Enzyme Velocity vs Substrate Concentration
When the velocity of enzyme activity is plotted against substrate concentration, which of the following is obtained? Hyperbolic curve Parabola Straight line with positive slope Straight line with negative slope […]
Protein Molar Ratio Calculation
20 μl of a 10 mg/ml solution of protein A (molecular weight 10 kDa) is added to 20 μl of a 10 mg/ml solution of protein B of molecular weight […]
Protein Conformation at Physiological Temperature
The melting temperature of a human protein is 33 °C in 100 mM sodium phosphate buffer at pH 6.5. What should the predominant conformation of the protein in the same […]
Maximizing NO2 Yield from N2O4
Dinitrogen tetroxide (N2O4) breaks down into nitrogen dioxide (NO2). If the reaction is reversible and endothermic, which condition will give the largest yield of NO2? High temperature and high pressure. […]
Positive Iodoform Test
Among the following, the one that gives a positive Iodoform test upon reaction with I2 and NaOH is: Among the following, the one that gives a positive Iodoform Test upon […]
CuCO3 Decomposition and CuO SnO Reaction
Which statement is true for the following chemical reactions? CuCO3+ heat → CuO + CO2 CuO + SnO → Cu + SnO2 CO2 is oxidised and SnO2 is reduced CuCO3 […]
Nitrous Oxide N2O Resonance Structures Hybridization
The structure of nitrous oxide (N2O) can best be described by a resonance of two structures. The hybridization of nitrogen atoms in the two resonance structures are: both sp one […]
Which Pauli Spin Matrix Has Eigenvector [1 -1]ᵀ?
The Pauli spin matrices are defined as Which of these matrices has an eigenvector [1 -1]T? σx σy σz None have real eigenvectors. Quantum Mechanics MCQ – Pauli Matrices & […]


