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2.A bat echolocates and receives an echo 10 milliseconds later. Assuming a speed of sound in air of 340 m/s, how far away is the object? 3.4 m 1.7 m […]

1.In a skewed distribution with a long right tail like the distribution of annual incomes in most developing countries, which of the following statements is true? mean mode < mean […]

15. In an in vitro transcription experiment, the transcript and both the strands of DNA were separated and analyzed for their base composition. The result obtained is shown in the […]

14. A neuron makes three synapses on a muscle cell to produce a sudden movement. However, each synapse is unreliable and only conveys a signal with a probability of 0.5. […]

13. A peptide has the following sequence ATHMARAMEN. At pH 3.7, the net charge of the peptide is likely to be a. +1 b. +2 c. -1 d. -2 Correct […]

12. The mitochondrial F-Type ATPase is a remarkable protein machine in which a subunit rotates during H+ transport, and 1 ATP is generated for 120 degrees of revolution. ATP hydrolysis […]

11. Researchers passaged three different strains of E. coli (black squares = WT, red circles and blue triangles = mutants) for several days, gradually increasing concentration of the antibiotic cefotaxime […]

10. Rich fishing grounds (that is those that have high species diversity and population), such as those found in Northern Japan or around Iceland, occur where cold and warm ocean […]

9. You are carrying out an enzyme reaction in the lab and obtain Km and Vmax values. While repeating the experiment, you use only 1/10th of the enzyme. What would […]

8. Which of the following statements is correct regarding the increase in molecular weight of proteins due to each of these post-translational modifications? a. Methylation