Tag: dbt jrf 2018

47. Gamma phosphate labelled ATP molecule was used to label a DNA fragment using the nick translation protocol. This would result in: 1. Labelling at 5′end 2. Labelling at 3′end […]

46. A DNA with the sequence 5′CGCATCGATCATGCCCTGA…..AGTCCCATTAGATGCC3′ needs to be PCR amplified. The reverse primer will have the following sequence: 1. 5′GGCATCTA3′ 2. 5′TAGATGCC3′ 3. 5′GGACTCTA3′ 4. 5′CGCATCGA3′ Identifying the […]

44. The amino acid that can act both as an acid and a base in an enzyme catalysed reaction is: 1. Tryptophan 2. Lysine 3. Histidine 4. Aspartic acid The […]

43. Which one of the following reactions DOES NOT occur in fatty acid synthesis? 1. Reduction 2. Dehydration 3. Decarboxylation 4. Phosphorylation The Reactions Involved in Fatty Acid Synthesis Fatty […]

42. Hair cells in the inner ear act as receptors for which one of the following cues? 1. Temperature 2. Chemical 3. Mechanical 4. Orientation Hair Cells in the Inner […]

41. Promoter : transcription :: 1. Shine-Dalgarno : translation 2. DNA polymerase:replication 3. Ribosome:translation 4. DnaA:replication Understanding the Analogy: Promoter to Transcription The analogy between a promoter and transcription is […]

40. In E. coli, mismatch during replication is corrected by the mismatch repair (MMR) pathway. For this, the MMR proteins differentiate between the parent and daughter strand by: 1. Identifying […]

38. Which one of the following organelles disappears during cell division and is regenerated in the daughter cells? 1. Endoplasmic reticulum 2. Golgi 3. Mitochondria 4. Peroxisomes Which Organelle Disappears […]

37. Protein glycosylation can take place only on the following amino acid(s): 1. Asparagine 2. Serine and Threonine 3. Asparagine, serine and threonine 4. Asparagine, serine, threonine and arginine Protein […]

36. Which of the following statements about Na+ -K + ATPase is correct? 1. It is responsible for generating the resting membrane potential 2. It transports Na+ and K+ ions […]