• 2022-06-19
    Which of the following is the end production of purine nucleotide catabolic metabolism?
    A: urea
    B: creatine
    C: creatinine
    D: uric acid
    E: β-alanine
  • D

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    • 0

      Which of the following material can be synthesized at liver only? () A: fat B: cholesterol C: protein D: fatty acid E: urea

    • 1

      Which<br/>of the following is the direct energy material for movement?() A: glucose B: fatty acid C: ATP D: GTP E: creatine phosphate

    • 2

      Under the condition of taking allopurinol to cure gout, ( ) are the main excreted compounds instead. A: Urea B: Uric acid C: Hypoxanthine D: Xanthine

    • 3

      Which of the following bond link the nucleotide in the primary structure of nucleic acid? () A: peptide<br/>bond B: hydrogen bond C: 3′,5′-phosphodiester bond D: salt bond E: hydrophobic bond

    • 4

      The primary manner for the deamination of amino acids in muscle involves (    ).  A: purine nucleotide cycle B: oxidative deamination of glutarate  C: transamination  D: ornithine cycle  E: conjunction of transamination and purine nucleotide cycle F: conjunction of transamination and oxidative deamination