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单选题 Which of the following is the carrier of one carbon unit
学科：生物化学
时间：2024-10-31 13:38:11
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题目1单选题
In the presence of hyperammonia, production of which of the following amino acids is always increasedA. GlycineB. ArginineC. ProlineD. HistidineE. Glutamine
题目2单选题
The primary manner for the deamination of amino acids in muscle involvesA. purine nucleotide cycleB. oxidative deamination of glutarateC. transaminationD. ornithine cycleE. conjunction of transamination and oxidative deamination
题目3单选题
The major fate of ammonia is ( ) in the bodyA. to synthesize nonessential amino acidsB. to synthesize glutamineC. to synthesize ureaD. to synthesize alanineE. to synthesize nucleotides
题目4单选题
Which of the following are the nitrogen source of ureaA. carbomoyl phosphate and aspartateB. carbomoyl phosphate and ornithineC. α-amino group and γ-amino group of ornithineD. α-amino group of citrulline and α-amino group of arginineE. γ-amino group of ornithine and glycine
题目5单选题
Which of the following amino acids can be converted into taurine in the bodyA. CysteineB. GlycineC. MethionineD. Threonine
题目6单选题
The compound which does not belong to one carbon unit as follow isA. -CH3B. =CH2C. =CH-D. CO2
题目7单选题
Which of the following is the carrier of one carbon unitA. biotinB. SAMC. FH4D. FH2E. folic acid
题目8单选题
The most important role of S-adenosyl methionine (SAM) isA. to provide methionineB. to synthesize tetrahydrofolateC. to synthesize purine nucleotidesD. to synthesize pyrimidine nucleotidesE. to supply methyl group
题目9单选题
Which of the following state is nitrogen equilibriumA. advanced cancer patientB. pregnant womenC. patient recovering from illnessD. people suffer form long-time hungerE. normal adult
题目10单选题
Which of the following amino acid can not produce one carbon unitA. SerineB. ValineC. TryptophanD. HistidineE. Glycine
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