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Q102: Drosophila Three-Point Cross Wild-type Drosophila females having three linked genes (ABC) crossed with triple recessive mutant males (abc). The F1 females (ABc) crossed with abc males. The cross resulted […]

Q.101 Which of the following statements is/are TRUE for Colchicine?(A) It binds to tubulin molecule and disrupts the assembly/polymerization ofmicrotubule.(B) It inhibits crossover of chromosomes during meiosis.(C) It inhibits chromosome […]

Q.100 Among the following statements, which is/are TRUE regarding the replication ofDNA?(A) Replication is bidirectional and conservative in nature.(B) Replication in eukaryotes takes place at multiple Ori sites simultaneously.(C) Both […]

Q.99 Which of the following techniques is/are used for determining thethree–dimensional structure of proteins?(A) Cryo–electron Microscopy(B) Circular Dichroism(C) Nuclear Magnetic Resonance Spectroscopy(D) X–ray Diffraction Cryo-electron Microscopy, Nuclear Magnetic Resonance Spectroscopy, […]

Q.98 The presence of excess glucose has been known to prevent the induction oflac operon as well as other operon controlling enzymes involved in carbohydratemetabolism in E. coli. Which of […]

Q97. Match the standard stated cofactors in Column I with their respective enzymes in Column II Column I Column II P. Cu2+ (i) Nitratenase Q. Se (ii) Cytochrome oxidase R. […]

Q.96 Match the immunological statements in Column I with the appropriate descriptions from Column II Column I Column II P. Active acquired immunity (i) Complement proteins and interferons Q. First […]

Q95 Match the syndromes listed in Column I with the cause/symptoms listed in Column II Column I Column II P. Prader-Willi syndrome (i) a collection of signs and symptoms due […]

Q94 Match the hormones/precursors listed in Column I with their chemical type in Column II and tissue of origin listed in Column III Column I Column II Column III P. […]

Q.93 In an experiment, excess amount of bicod mRNA (more than wild–type expressionlevel) was injected into the posterior pole of a wild–type Drosophila embryo atpre–blastodermal stage. Out of the following […]