中国医科大学2013年7月考试《生物化学(本科)》在线作业100分答案（China Medical University in July 2013 exam Biochemistry (undergraduate) online homework 100 minutes answer）.doc

中国医科大学2013年7月考试《生物化学(本科)》在线作业100分答案（China Medical University in July 2013 exam Biochemistry (undergraduate) online homework 100 minutes answer） China Medical University in July 2013 exam Biochemistry (undergraduate) online homework Total score: 100 test time: - Radio examination Radio examination questions (50 questions, 100 points) 1. amino acids containing two carboxyl groups are C A. glycine B. tryptophan C. aspartate D. lysine E. serine Full marks: 2 2. catalyzes the reversible reaction of the enzyme to C A. hexokinase B. glucokinase C. phosphoglycerate kinase D. 6- phosphate kinase -1 E. pyruvate kinase Full marks: 2 3. about the concept of gene expression, the error is A The process of A. always undergoes the process of gene transcription and Translation B. undergoes the process of gene transcription and Translation C. some gene expression products are protein molecules D. some gene expression products are not protein molecules Some E. gene expression products are RNA molecules Full marks: 2 The 4. bound enzyme showed the active condition was C A. coenzyme alone B. has an agonist C. holoenzyme forms D. subunits exist alone E. protein alone exists Full marks: 2 What amino acids are the main absorption peaks of 5. protein molecules at 280nm? B A. glutamic acid B. tryptophan C. phenylalanine D. histidine E. lysine Full marks: 2 6. and three in the tricarboxylic acid cycle of oxaloacetate is similar to that in the urea cycle is also the end point of the material is both the starting point is A A. ornithine B. citrulline C. formyl phosphate D. arginine E. arginine succinate Full marks: 2 7. the nitrogen content of a protein sample is 0.60g. How much protein does this sample contain? B A. 16.0g B. 3.75g C. 6.40g D. 9.60g E. 6.25g Full marks: 2 8. in the field of recombinant DNA technology, the term molecular cloning refers to B A. establishes monoclonal Technology B. asexual propagation DNA C. establishes polyclonal antibodies D. sexual reproduction, DNA E.. Constru