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3. The number of alleles possible for a gene is: a. 2 b. Infinite c. 4 d. 1 The correct answer is b. Infinite. A gene can have an infinite […]

2. Which of the following options regarding an mRNA formed by bacterial transcription is correct? a. The transcription start site occurs a few bases before the start codon. b. The […]

1. A dachshund is a type of dog with short stature. Beagles are normal-sized. The progeny of a dachshund/beagle mating are all short-statured. Half of the puppies that are produced […]

15. Some carbonated beverages are made by forcing carbon dioxide gas into a beverage solution. When a bottle of one kind of carbonated beverage is first opened, the beverage has […]

14. In a unidirectional reaction, the conversion of molecules X to Y follows second-order rate kinetics. If the concentration of X increases by 3 times, what will be the change […]

13. The molecular formula for amino acid, glycine is C2H5O2N. What would be the molecular formulae for a linear peptide made by linking ten glycine molecules by condensation synthesis? a. […]

12. A kinesin motor moves at 1.8 μm/sec. If it is walking on a microtubule of 10 mm in length, how long will it take to cover the entire distance? […]

11. Protein ‘X’ contains 192 amino acids and mono-ubiquinated at two residues. What could be the probable molecular weight of the protein? [Molecular weight of ubiquitin is 8 kDa] a. […]

10. In the case of a Fluorescence Resonance Energy Transfer, the a. The “Energy donor” has a smaller excitation wave-length and “Energy acceptor” has a larger excitation wave-length b. The […]

9. What does allosteric inhibition of an enzyme by a ligand mean? a. The binding of a ligand to the enzyme inhibits the binding of cognate substrate at the same […]