Tag: DBT JRF PYQ-2023

60. A student decided to perform liquid-liquid extraction of solute A and solute B separately. Based on the table below, indicate which of the following options is CORRECT about their […]

59. The following feature about A-DNA is INCORRECT 1. The DNA is arranged in a left handed double helix 2. The base pairs in A-DNA are not perfectly perpendicular to […]

58. Which of the following is produced commercially by mammalian cell culture? 1. Insulin 2. Tissue plasminogen activator 3. Rennin 4. Shikonin What Is Produced Commercially by Mammalian Cell Culture? […]

57. SELEX (systematic evolution of ligands by exponential enrichment) is a useful technique for identifying a ligand-specific oligonucleotide which can be utilized for diagnosis and treatment. The molecule is termed […]

56. After sequencing the genome of a new species you have obtained 2,500,000 reads each of 100-nt in length. Following assembly, the draft genome obtained is of 5 Mb size. […]

55. Which one of the following genetic processes involves sex pili? 1. Conjugation 2. Transformation 3. Transduction 4. Transposition Bacterial Conjugation and the Role of Sex Pili in Genetic Transfer […]

54. Match List I with List II LIST I (Marine algae)                                        […]

53. The shear stress responsible for cell death in airlift fermenters CANNOT be reduced by 1. increasing the height to diameter ratio in the vessel 2. increasing the bubble size […]

52. Which of the following proteins will have a signal peptide? 1. Hemoglobin 2. Myoglobin 3. Immunoglobulin 4. Leghaemoglobin Understanding Signal Peptides: Why Immunoglobulin Has a Signal Peptide Introduction Proteins […]

51. Peppers in spicy food are “hot” because the capsaicin usually activates 1. Proprioceptors 2. Thermal nociceptors 3. Photopigments 4. Auditory receptors Why Do Peppers Feel Hot? The Role of […]