Q.1 Repolarisation of membrane potential in neurons is caused by the movement of:Ans 1. potassium into the cell and sodium into the cell2. potassium out of the cell and sodium out of the cell3. potassium into the cell ...
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Q.10 Dinitrogen tetroxide breaks down into nitrogen dioxide. If the reaction is reversible and endothermic, which condition will give the largest yield of nitrogen dioxide?Ans 1. High temperature and high pressure.2. High temperature and low pressure.3. Low temperature ...
Q.8 You synthesise a short peptide [AMxVFxGNxM], where x is any amino acid with a charged side chain. How many possible peptides can be synthesised?Ans 1. 152. 2433. 1254. 27Correct Ans Provided: 3
Q.10 What is the value of the current I given below?Ans 1. 0.01 A2. 0.03 A3. 0.02 A4. 0.04 ACorrect Ans Provided: 3
Q.1 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 buffer at physiological temperature conditions be?Ans 1. ...
Q.4 Human DNA contains 18% C on a molar basis. What is the mole percentage of A, G, and T respectively?Ans 1. 32, 18, 322. 18, 32, 323. 32, 32, 184. Insufficient information to calculateCorrect Ans Provided: 1
Q.3 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 20 kDa. What is the molar ratio ...
Q.6 Which of the following statements explains why net primary productivity is higher near the tropics?Ans 1. More predators in the tropics kill herbivores, increasing plant growth in the tropics2. Increased species diversity results in increased plant growth3. ...
Q.2 When the velocity of enzyme activity is plotted against substrate concentration, what does the plot look like?Ans 1. Hyperbolic curve2. Parabola3. Straight line with positive slope4. Straight line with negative slopeCorrect Ans Provided: 1
Q.9 Reaction P has ΔH0 while reaction Q has ΔH>0 and ΔS>0. Which of the following is true?Ans 1. Both P and Q are spontaneous at all temperatures because entropy increases.2. P is spontaneous at all temperatures but ...
