BCH4024 OC F25 E3 Q39: Allopurinol is used to treat gout by inhibiting ________, which reduces the production of ________.

BCH4024 OC F25 E3 Q47: Free fatty acids circulate in blood:

BCH4024 OC F25 E3 Q26: A blood sample of a 2-day-old male neonate was found to have abnormally high levels of phenylalanine and metabolites of this amino acid. The infant was put on a specially formulated diet that was low in phenylalanine. Which amino acid must be supplemented in his diet?

For questions 42 & 43, choose from the nucleotides whose structures are shown below. Each nucleotide can be used more than once or not at all in these questions. You might find it helpful if you identify each compound by its name before attempting to answer the questions. BCH4024 OC F25 E3 Q42: Which of the above nucleotides (A–E) is an intermediate in de novo pyrimidine synthesis and is converted to UMP?

For questions 34 through 36, choose from the nucleotides whose structures are shown below. Each nucleotide can be used more than once or not at all in these questions. You might find it helpful if you identify each compound by its name before attempting to answer the questions. BCH4024 OC F25 E3 Q36: Which of the above nucleotides (A–E) is NOT found in RNA?

BCH4024 OC F25 E3 Q20: Which of the following statements about GDH is FALSE?

BCH4024 OC F25 E3 Q28: Which of the following enzymes assimilates free ammonia?

For questions 34 through 36, choose from the nucleotides whose structures are shown below. Each nucleotide can be used more than once or not at all in these questions. You might find it helpful if you identify each compound by its name before attempting to answer the questions. BCH4024 OC F25 E3 Q35: Which of the above nucleotides (A–E) is an allosteric activator of AMP-activated protein kinase (AMPK)?

BCH4024 OC F25 E3 Q46: A 41-year-old man presented to his primary care physician after he noted a 20-minute episode of blurred vision in his right eye. Laboratory findings included blood plasma total homocysteine at 28 uMol/l (normal: 5-12 uMol/l) and methionine at 43 micromol/l (normal:16-30 uMol/l). In this patient, supplementation of which cofactor would directly reduce homocysteine levels?

BCH4024 OC F25 E3 Q7: Which of the following best describes the role of trypsin in protein digestion?