MOOC Metabolic Biochemistry(代谢生物化学)(南京大学)1465365161 最新慕课完整章节测试答案
Chapter 1. Metabolism Overview
文章目录
- Chapter 1. Metabolism Overview
- Chapter 10. FFA Metabolism
- Chapter 11. Cholesterol Metabolism
- Chapter 12. Metabolism of Amino Acids
- Chapter 13. Nucleotide Metabolism
- Chapter 2. Bioenergetics and Biological Oxidation
- Chapter 3. Biological Oxidation
- Chapter 4. Glycolysis
- Chapter 5. Tricarboxylic Acid Cycle
- Chapter 6. Pentose Phosphate Pathway
- Chapter 7. Gluconeogenesis
- Chapter 8. Glycogen Metabolism
- Chapter 9. Metabolism of Fats and Phospholipids
Self Test of Chapter 1
1、单选题:
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、单选题:
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、单选题:
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、单选题:
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、单选题:
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、多选题:
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、多选题:
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、多选题:
The radioactive isotopes are:
选项:
A: 15N
B: 14C
C: 3H
D: 18O
答案: 【 14C;
3H】
9、多选题:
Brain and liver cells have different:
选项:
A: genome
B: transcriptome
C: proteomic
D: metabolomic
答案: 【 transcriptome;
proteomic;
metabolomic】
10、多选题:
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、判断题:
All chemical reactions in the body are catalyzed by enzymes.
选项:
A: 正确
B: 错误
答案: 【 错误】
12、判断题:
At least one step of a metabolic pathway is irreversible.
选项:
A: 正确
B: 错误
答案: 【 正确】
13、判断题:
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、判断题:
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、判断题:
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 10. FFA Metabolism
Self Test of Chapter 10
1、单选题:
The oxidation of fatty acid is mainly
选项:
A: α-oxidation
B: β-oxidation
C: δ-oxidation
D: ω-oxidation
答案: 【 β-oxidation】
2、单选题:
The β-oxidation of eukaryotic fatty acids occurs mainly in
选项:
A: cytoplasmic matrix
B: mitochondria
C: peroxisome
D: endoplasmic reticulum
答案: 【 mitochondria】
3、单选题:
Activation of short-chain fatty acids occurs in
选项:
A: cytoplasmic matrix
B: intermembrane space of mitochondria
C: mitochoondrial matrix
D: peroxisome
答案: 【 mitochoondrial matrix】
4、单选题:
Biosynthesis of fatty acids occurs in
选项:
A: mitochondria
B: cytoplasmic matrix
C: endoplasmic reticulum
D: peroxisome
答案: 【 cytoplasmic matrix】
5、单选题:
Inhibitors of fatty acid β-oxidation are
选项:
A: acetyl CoA
B: Palmityl CoA
C: Malonyl CoA
D: Propionyl CoA
答案: 【 Malonyl CoA】
6、多选题:
Which of the following is true in both fatty acids β-oxidation and the TCA cycle?
选项:
A: It can only happen in mitochondria.
B: Coenzyme I is needed.
C: FAD is required.
D: Can only occur in the presence of oxygen.
答案: 【 Coenzyme I is needed.;
FAD is required.;
Can only occur in the presence of oxygen.】
7、多选题:
In plant cells, fatty acids β-oxidation may occurs in
选项:
A: endoplasmic reticulum
B: mitochondria
C: peroxisome
D: glyoxysome
答案: 【 mitochondria;
peroxisome;
glyoxysome】
8、多选题:
The fatty acids can be synthesized in animal cells are
选项:
A: Palmitic acid
B: Stearic acid
C: Linoleic acid
D: Myristic acid
答案: 【 Palmitic acid;
Stearic acid;
Myristic acid】
9、多选题:
The enzymes that consumes ATP during catalysis are
选项:
A: acyl-CoA synthetase
B: citrate lyase
C: acetyl-CoA carboxylase
D: AMPK
答案: 【 acyl-CoA synthetase;
citrate lyase;
acetyl-CoA carboxylase;
AMPK】
10、多选题:
Mammalian fatty acid synthase has the enzyme activities of
选项:
A: hydrolase
B: transferase
C: dehydrase
D: ACP
答案: 【 hydrolase;
transferase;
dehydrase】
11、判断题:
The red blood cells can also use ketone bodies as energy source.
选项:
A: 正确
B: 错误
答案: 【 错误】
12、判断题:
ACC1 is activated after phosphorlation.
选项:
A: 正确
B: 错误
答案: 【 错误】
13、判断题:
The ketone body can be synthesized and consumed by hepatocytes.
选项:
A: 正确
B: 错误
答案: 【 错误】
14、判断题:
Ketone bodies include acetoacetic acid, L-β-hydroxybutyrate and acetone.
选项:
A: 正确
B: 错误
答案: 【 错误】
15、判断题:
Fatty acid synthesis is needed in all living organisms.
选项:
A: 正确
B: 错误
答案: 【 正确】
Chapter 11. Cholesterol Metabolism
Self Test of Chapter 11
1、单选题:
Cholesterol is synthesized directly from
选项:
A: acetyl-CoA
B: propionyl-CoA
C: butyryl-CoA
D: pyruvate
答案: 【 acetyl-CoA】
2、单选题:
The type of cells that has the most active cholesterol synthesis in human is
选项:
A: muscle cells
B: hepatocytes
C: intestinal epithelial cells
D: brain cells
答案: 【 hepatocytes】
3、单选题:
The lipoproteins that transport cholesterol from food to liver cells are
选项:
A: CM
B: LDL
C: VLDL
D: HDL
答案: 【 CM】
4、单选题:
The lipoprotein that has the lowest density is
选项:
A: CM
B: VLDL
C: LDL
D: HDL
答案: 【 CM】
5、单选题:
The lipoprotein that contains bad cholesterol is
选项:
A: CM
B: LDL
C: HDL
D: VLDL
答案: 【 LDL】
6、多选题:
Cholesterol synthesis occurs in
选项:
A: cytoplasmic matrix
B: endoplasmic reticulum
C: nucleus
D: mitochondria
答案: 【 cytoplasmic matrix;
endoplasmic reticulum 】
7、多选题:
The rate-limiting enzymes in cholesterol synthesis are
选项:
A: HMG-CoA synthase
B: HMG-CoA reductase
C: HMG-CoA lyase
D: squalene monooxygenase
答案: 【 HMG-CoA reductase;
squalene monooxygenase】
8、多选题:
Biomolecules derived from cholesterol include:
选项:
A: vitamin D
B: bile acid
C: androgen
D: choline
答案: 【 vitamin D;
bile acid;
androgen】
9、多选题:
What is formed in both cholesterol and ketone body synthesis?
选项:
A: Acetoacetyl-CoA
B: HMG-CoA
C: Mevalonic acid
D: Isoprene
答案: 【 Acetoacetyl-CoA;
HMG-CoA】
10、多选题:
Lipoproteins secreted directly by liver cells are:
选项:
A: CM
B: HDL
C: VLDL
D: LDL
答案: 【 HDL;
VLDL】
11、判断题:
The rate-limiting enzyme in cholesterol synthesis is HMG-CoA synthase.
选项:
A: 正确
B: 错误
答案: 【 错误】
12、判断题:
Cholesterol can be completely oxidized to carbon dioxide and water when energy is lacking in vivo.
选项:
A: 正确
B: 错误
答案: 【 错误】
13、判断题:
The higher activatity of PCSK9 a person has, the more likely he/she is to develop cardiovascular and cerebrovascular diseases
选项:
A: 正确
B: 错误
答案: 【 正确】
14、判断题:
To synthesize one molecule of cholesterol consumes 18 molecules of acetyl-CoA.
选项:
A: 正确
B: 错误
答案: 【 正确】
15、判断题:
HMG-CoA reductase is an membrane-intercelated protein.
选项:
A: 正确
B: 错误
答案: 【 正确】
Chapter 12. Metabolism of Amino Acids
Self Test of Chapter 12
1、单选题:
For the regulation GS of E.coli, it is covalently modified by
选项:
A: phosphorylation
B: uridylation
C: adenylation
D: N-acetylation
答案: 【 adenylation】
2、单选题:
What is the main destination of ammonia in the brain?
选项:
A: Glutamine synthesis
B: Urea synthesis
C: Diffusion into the blood
D: Purine synthesis
答案: 【 Glutamine synthesis】
3、单选题:
The function of alanine-glucose cycle is
选项:
A: to accelerate the conversion of amino acids to carbonhydrate.
B: to promote ornithine cycle.
C: to accelerate the conversion of amino acids into fat.
D: to promote amino acid oxidation for energy supply.
答案: 【 to promote ornithine cycle.】
4、单选题:
The rate