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Q.26 The duration of DNA synthesis (S phase) in plant cells is 11 h and the DNA is replicated at a rate of 𝟏𝟎𝟎𝐛𝐩/𝐬/ fork. A plant species has about […]

Q.25 Which one of the following features is NOT appropriate for Fab fragment of IgG ? (A) Contains antigen binding site (B) Contains an intact L chain (C) Two fragments […]

Q.24 Which one of the following will NOT form lipid bilayer? (A) Cholesterol (B) Phosphatidyl ethanolamine (C) Triacylglycerol (D) Phosphatidyl serine Triacylglycerol will NOT form a lipid bilayer. This is because […]

Q.22 Which one is TRUE for Calvin cycle? (A) Glycerol 3-phosphate is generated in this cycle (B) CO2 is not consumed in this cycle (C) This is a reductive pentose […]

Q.21 Which one of the enzymes is responsible for arsenic toxicity? (A) Pyruvate kinase (B) Aldolase (C) Phosphofructokinase (D) Pyruvate dehydrogenase Pyruvate dehydrogenase (option D) is the enzyme responsible for […]

Q.20 Puromycin is a structural analog of (A) alanyl-tRNA (B) tyrosyl-tRNA (C) methionyl-tRNA (D) glycyl-tRNA Puromycin is a structural analog of tyrosyl-tRNA (Option B). This antibiotic mimics the 3′ end of […]

Q.19 The number of fragments generated when the peptide ‘ANDCQEGKFMLKPDTWRYVSFMRPA’ is subjected to complete digestion with trypsin are …… 6 fragments are generated from complete trypsin digestion of the peptide […]

Q.18 Which type of polyacrylamide gel can be used for analyzing the four different proteins listed below? Protein P: 60kDa, pI4 Protein Q: 45 kDa , pI 8 Protein R: […]

Q.17 Which one of the following techniques CANNOT be used to determine the sequence of a novel protein? (A) De novo sequencing by ESI-MS/MS (B) Edman degradation (C) Sanger sequencing […]