肌酸补剂有哪些种类？ A: 一水肌酸（creatine momohydrate） B: 二代肌酸/肌酸乙酯（creatine ethyl ester） C: 磷酸肌酸（creatine phosphate） D: 柠檬肌酸（creatine citrate）

The main storage form of high-energy phosphate in muscle A: ATP B: GTP C: UTP D: Creatine phosphate

The major nitrogenous waste of bony fishes is ( ). A: ammonia B: urea C: uric acid D: guanine E: creatine

The energy storing form in skeleton muscle is (    ). A: ATP  B: GTP C: UTP D: creatine phosphate E: phosphoenolpyruvate

The centre molecule of energy generation and usage in human body is A: Glucose B: ATP C: GTP D: Creatine phosphate

The direct supplier of energy in the human body is： A: GTP B: Creatine phosphate C: fatty acid D: ATP E: glucose

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

Compounds containing high energy bonds are A: UTP B: Creatine phosphate C: Glucose-6-phosphate D: Acetyl CoA E: 1, 3-bisphosphoglycerate

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

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