Biotechnology
GATE BT format:nat PYQs
Build your understanding with focused practice from past exam papers.
Questions 141–150 of 201. Imported answers require independent review unless marked reviewed.
Question 53
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The concentrations of ATP, ADP and inorganic phosphate in a cell are 2.59, 0.73 and 2.72 mM, respectively. Under these conditions, free energy change for the synthesis of ATP at 37 °C is __________ kJ/mol (round off to 2 decimal places).
Given: free energy change for ATP hydrolysis under standard conditions is -30.5 kJ/mol and R = 8.315 kJ/mol.K
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An algorithm was designed to find globins in protein sequence databases. A database which has 78 globin sequences was searched using this algorithm. The algorithm retrieved 72 sequences of which only 65 were globins. The sensitivity of this algorithm is __________ % (round off to 2 decimal places).
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The mitochondrial electron transfer chain oxidizes NADH with oxygen being the terminal electron acceptor. The redox potentials for the two half-reactions are given below:
The free energy change associated with the transfer of electrons from NADH to O₂ is __________ kJ/mol (round off to 2 decimal places).
Given: F = 9650 C/mol.
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The number of possible rooted trees in a phylogeny of three species is __________.
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Matrix
will be skew-symmetric when
______.Log in to check the answer
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The solution of
is __________.Log in to check the answer
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The median value for the dataset (12, 10, 16, 8, 90, 50, 30, 24) is __________.
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The degree of reduction for acetic acid (C₂H₄O₂) is __________.
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The mass of 1 kmol of oxygen molecules is ______ g (rounded off to the nearest integer).
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Protein concentration of a crude enzyme preparation was 10 mg mL⁻¹. 10 μL of this sample gave an activity of 5 μmol min⁻¹ under standard assay conditions. The specific activity of this crude enzyme preparation is __________ units mg⁻¹.
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