課程名稱︰普通化學乙下
課程性質︰必修
課程教師︰蘇志明
開課系所︰化學系
考試時間︰2005.6.22 (三) 10:20~12:00
試題 :
1.Why are mitochondria called the "power plants" of the cell?
2.Put the following events in the correct order of their occurrence:
electron transport, digestion, oxidative phosphorylation, citric acid cycle.
3.(a)What is the chemical difference between ATP and ADP?
(b)Why is ATP sometimes called a high-energy molecule?
4.Look at the eight steps of the citric acid cycle and answer these questions:
(a)Which steps involve oxidation reactions?
(b)Which steps involve decarboxylation(loss of CO2)?
(c)Which step or steps involve a hydration reaction?
(d)How many NADH and how many FADH2 molecules are formed in the citric acid
cycle?
5.What are the two primary functions of the electron-transport chain in
mitochondria?
6.(a)What is a synapse, and what role does it play in nerve transmission?
(b)Describe in general terms how a nerve impulse is passed from one neuron
to another?
7.What are the two methods for removing the neurotransmitter once its job is
done?
8.For the following toxins, classify them either as agonists or antagonists,
and describe their roles and effects in the neuron transmission process.
(a)Botulinus toxin, blocks acetylcholine release.
(b)Black widow spider venom, releases excess acetylcholine.
(c)Organophosphorus insecticide, inhibits acetylcholinesterase.
9.Explain how each of the following mechanisms regulates enzyme activities.
(a)Allosteric regulation
(b)Covalent modification
(c)Inhibition
(d)Genetic control
10.(a)In enzymes, how does each of the three kinds of inhibitors mentioned
in the textbook work? What kinds of bonds are formed between an enzyme
and these three kinds of inhibitors?
(b)What are the cofactors and coenzymes in functioning enzymes? Give one
example for each case.
11.What is a zymogen? Why must some enzymes be secreted as zymogens?
附: Citric acid cycle 圖示
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範圍: 19章~21章
什麼普化...這根本是普生嘛! 怯! = =
考卷全部都是從課本習題抓出來的,一模一樣.
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