Biochemistry ii

9.1. Bile pigments are:

9.2. Degradation of Hb takes place in:

9.3. In haem catabolism, the first bile pigment formed is:

9.4. Biliverdin is converted to bilirubin by the process of:

9.5. Bilirubin formed in reticuloendothelial cells is transported to liver in combination with:

9.6. In liver cells, bilirubin is conjugated with:

9.7. Bilirubin is derived from all of the following except:

9.8. The enzyme responsible for conjugation of bilirubin is:

9.9. Following are the examples of unconjugated hyperbilirubinaemias, except:

9.10. Unconjugated hyperbilirubinaemia characteristic of:

9.11. In Gilbert’s syndrome, there is:

9.12. In Criglar-Najjar syndrome, there is:

9.13. About L-stercobilinogen all are true, except:

9.14. All are true about Gilbert’s syndromes except:

9.15. All of the following statements regarding haem catabolism are correct, except:

10.1. How many molecules of ATP are hydrolysed to form two molecule of ammonia?

10.2. The nitrogen atoms of urea produced in the urea cycle are derived from

10.3. The products of urea cycle are

10.4. Nitrate reduction can be carried out by

10.5. Which of the following is used as carbon atom source while producing urea in the urea cycle?

10.6. Which of the following amino acid do not fall under the category of essential amino acid?

10.7. Urea cycle converts

10.8. The inputs to one cycle of the urea cycle are

11.1. Uridylylation and deuridylylation of PII are brought about by a single enzyme ______________

11.2. Dinitrogenase reductase is a ____________

11.3. Dinitrogenase is a ____________

11.4. The reaction of glutamate and NH4+ to yield glutamine is catalyzed by ____________

11.5. An intermediate of the citric acid cycle that undergoes reductive amination with glutamine as nitrogen donor is ____________

11.6. Which of the following catalyzes reactions that incorporate nitrogen derived from glutamine?

11.7. Conversion of nitrogen to ammonia or nitrogenous compounds is termed as ____________

11.8. Formation of organic nitrogen compounds like amino acids from inorganic nitrogen compounds is called as ____________

11.9. Ammonia or ammonium is oxidized to nitrite followed by the oxidation of nitrite to nitrate is called ____________

11.10. Nitrate is reduced and ultimately produces N2 through a series of intermediate gaseous nitrogen oxide products is called ____________

12.1. Identify the purine base of nucleic acids in the following.

12.2. Which of the following are not the components of RNA?

12.3. Which of the following statements is true?

12.4. What is the composition of nucleoside?

15.5. What is the composition of nucleotide?

12.6. Group of adjacent nucleotides are joined by ____________

12.7. The sugar molecule in a nucleotide is ____________

12.8. Which of the following is true about phosphodiester linkage?

12.9. Which of the following is false about purine and pyrimidine bases?

12.10. Building blocks of nucleic acids are ____________

13.1. Number of hydrogen bonds between adenine and thymine?

13.2. Number of hydrogen bonds between guanine and cytosine?

13.2. Which ratio is constant for DNA?

13.4. According to Chargaff’s rule, in a DNA molecule ____________

13.5. Arrangement of nucleotides in DNA can be seen by

13.6. Which of the following leads to disruption nucleosomal structure?

13.7. Which one of the following nucleic acids has a left handed helix?

13.8. Which of the following statements is not true about RNA?

13.9. Which of the following is true about Z-DNA helix?

13.10. Which of the following statements is true?