2021 Metabolic Biochemistry（代谢生物化学）(南京大学) 最新满分章节测试答案

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本课程起止时间为:2021-11-14到2021-11-14
本篇答案更新状态:已完结

Chapter 1. Metabolism Overview Self Test of Chapter 1

1、 问题:Which of the following description about metabolism is correct:
选项：
A:It’s a fundamental feature of life
B:It only includes material metabolism, the change of energy is not involved
C:The virus can also metabolize normally outside the host cell
D:All the steps of the catabolic pathway are exergonic
答案: 【It’s a fundamental feature of life】

2、 问题:In which step of the cellular reactions can the energy released be converted into the universal energy currency ATP?
选项：
A:Proteins are hydrolyzed into amino acids
B:Glycogen is phosphorolyzed into glucose phosphate
C:Glucose is converted into pyruvate
D:Fat is hydrolyzed into glycerol and fatty acids
答案: 【Glucose is converted into pyruvate】

3、 问题:The metabolic pathway existing in almost all living things on earth is:
选项：
A:synthesis and decomposition of glycogen
B:glycolysis
C:the tricarboxylic acid cycle
D:Biosynthesis of lysine
答案: 【glycolysis】

4、 问题:The metabolic pathway that all cells in the body have is:
选项：
A:glycolysis
B:β-oxidation of fatty acid
C:the tricarboxylic acid cycle
D:lactic acid fermentation
答案: 【glycolysis】

5、 问题:The speed-limiting step of a metabolic pathway must be
选项：
A:first step
B:last step
C:reversible reaction
D:irreversible reaction
答案: 【irreversible reaction】

6、 问题:The metabolic pathway associated with mitochondria is
选项：
A:the TCA cycle
B:glycolysis
C:the urea cycle
D:de novo synthesis of pyrimidine nucleotides
答案: 【the TCA cycle;
the urea cycle;
de novo synthesis of pyrimidine nucleotides】

7、 问题:The metabolic pathways that remain in the mature erythrocytes of mammals are:
选项：
A:glycolysis
B:the TCA cycle
C:fatty acid biosynthesis
D:pentose phosphate pathway, PPP
答案: 【glycolysis;
pentose phosphate pathway, PPP】

8、 问题:The radioactive isotopes are:
选项：
A:15N
B:14C
C:3H
D:18O
答案: 【14C;
3H】

9、 问题:Brain and liver cells have different:
选项：
A:genome
B:transcriptome
C:proteomic
D:metabolomic
答案: 【transcriptome;
proteomic;
metabolomic】

10、 问题:Methods of studying metabolome include:
选项：
A:two-dimensional electrophoresis
B:mass spectrometry
C:nuclear magnetic resonance (NMR)
D:capillary electrophoresis
答案: 【mass spectrometry;
nuclear magnetic resonance (NMR);
capillary electrophoresis】

11、 问题:All chemical reactions in the body are catalyzed by enzymes.
选项：
A:正确
B:错误
答案: 【错误】

12、 问题:At least one step of a metabolic pathway is irreversible.
选项：
A:正确
B:错误
答案: 【正确】

13、 问题:The oxygen that the aerobic organism takes in ends up being eventually the oxygen in the carbon dioxide and leave the system
选项：
A:正确
B:错误
答案: 【错误】

14、 问题:An irreversible reaction in an organism is irreversible because the enzyme that catalyzes it catalyzes only the forward reaction and not the reverse reaction
选项：
A:正确
B:错误
答案: 【错误】

15、 问题:The metabolome includes not only biological small molecules but also various biological macromolecules
选项：
A:正确
B:错误
答案: 【错误】

Chapter 2. Bioenergetics and Biological Oxidation Self Test of Chapter 2

1、 问题:The standard conditions for biochemical reactions are
选项：
A:37℃, pH7, and 1 atm
B:25℃, pH 7, and 1 atm
C:37℃, pH 0, and 1 atm
D:25℃, pH 0, and 1 atm
答案: 【25℃, pH 7, and 1 atm】

2、 问题:If the equilibrium constant of a biochemical reaction is greater than 1, the DG
选项：
A:is greater than 0
B:is equal to 0
C:is less than 0
D:is unable to be determined
答案: 【is greater than 0】

3、 问题:Living systems are 
选项：
A:isolated systems
B:closed systems
C:open systems
D:None of them
答案: 【open systems】

4、 问题:If the DG of a biochemical reaction under standard conditions is negative, then
选项：
A:this reaction must be an energetic reaction in a living organism. 
B:this reaction must be a spontaneous reaction in a living organism.
C:the reverse reaction must be a required reaction under standard conditions.
D:catalysis can occur at a high rate without enzymes in living organisms.
答案: 【the reverse reaction must be a required reaction under standard conditions.】

5、 问题:The high-energy biomolecule known as the universal energy currency is
选项：
A:GTP
B:ATP
C:CTP
D:UTP
答案: 【ATP】

6、 问题:The ways the body synthesizes ATP are
选项：
A:substrate level phosphorylation
B:oxidative phosphorylation
C:photophosphorylation
D:direct phosphorylation
答案: 【substrate level phosphorylation;
oxidative phosphorylation】

7、 问题:High-energy biomolecules including:
选项：
A:phosphoenolpyruvate
B:1, 3-diphosphoglycerate
C:Coenzyme I
D:acetyl CoA
答案: 【phosphoenolpyruvate;
1, 3-diphosphoglycerate;
Coenzyme I;
acetyl CoA】

8、 问题:The metabolic pathways containing substrate-level phosphorylation are
选项：