【多选题】
糖原分解
A. 需要分支酶
B. 需要无机磷酸
C. 需要磷酸化酶
D. 产物主要是1-磷酸葡萄糖
E. 产物主要是葡萄糖
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答案
BCD
解析
暂无解析
相关试题
【多选题】
糖尿病患者血液中通常有
A. 尿酸增高
B. 酮体升高
C. 游离脂酸升高
D. 血糖升高
E. 氨基酸升高
【多选题】
糖异生的场所是
A. 肝脏
B. 肾脏
C. 脾脏
D. 胃
E. 脑
【多选题】
如摄入过多的糖其在体内的去向是
A. 以糖原形成贮存
B. 转变为脂肪
C. 补充血糖
D. 转变为非必需脂酸
E. 转变为唾液酸
【填空题】
糖在体内的主要生理功能是通过糖在体内的______代谢实现的。
【填空题】
成熟红细胞无______故只能从______获得能量。
【填空题】
糖酵解的终产物是______糖有氧氧化的终产物是______和______。
【填空题】
在肝外组织中糖酵解的限速酶是______、______和______。
【填空题】
糖酵解反应是在______中进行而有氧氧化除在______进行外还在______中进行。
【填空题】
丙酮酸脱氢酶复合体含有维生素______、______、______、______、______等。
【填空题】
磷酸戊糖途径的主要生理意义是生成______和______前者为体内核酸的合成提供了______而后者 主要是提供细胞代谢所需的______。
【填空题】
糖原合成及糖原分解的限速酶分别是______和______。
【填空题】
肝糖原能分解成葡萄糖而肌肉中因缺乏______故肌糖原不能分解成葡萄糖当肌糖原分解增强时
【填空题】
糖异生的器官主要是______其次是______。
【填空题】
糖异生基本上是糖酵解的______过程但酵解途径中的三个______反应是糖异生途径中的______。
【填空题】
调节血糖最重要的激素有______和______。
【填空题】
体内乙酰CoA的去路有______、______、______、______。
【单选题】
贮存脂肪主要来自
A. 葡萄糖
B. 生糖氨基酸
C. 类脂
D. 酮体
E. 小肠吸收的脂肪
【单选题】
在下述哪种情况下酮体的生成增加
A.
B. 糖供给充足时
C. 丙酰CoA产生过少时
D. 对饥饿动物喂以亮氨酸时
E. 胰岛素水平增高时
【单选题】
下列哪种化合物不是以胆固醇为原料合成的
A. 皮质醇
B. 维生素D3
C. 胆酸
D. 雌二醇
E. 胆红素
【单选题】
下列哪种脂酸是合成前列腺素的前体
A. 软脂酸
B. 硬脂酸
C. 顺-9-油酸
D. 二十碳-5811-三烯酸
E. 二十碳-5811,14-四烯酸
【单选题】
内源性胆固醇主要由血浆中哪一种脂蛋白运输
A. HDL
B. LDL
C. VLDL
D. CM
E. HDL
【单选题】
正常人空腹血浆中主要的脂蛋白是
A. CM
B. HDL
C. LDL
D. VLDL
E. 以上都不是
【单选题】
脑磷脂转为卵磷脂时其甲基供体是
A. 甲基四氢叶酸
B. S-腺苷蛋氨酸
C. 甲基B12
D. 蛋氨酸
E. 以上都不是
【单选题】
脂酸在肝脏进行β-氧化不生成下列哪种化合物
A. H2O
B. 乙酰CoA
C. 脂酰CoA
D. NADH
E. FADH2
【单选题】
脂蛋白脂肪酶LDL催化
A. 脂肪细胞中甘油三酯的水解
B. 肝细胞中甘油三酯的水解
C. VLDL中甘油三酯的水解
D. HDL中甘油三酯的水解
E. LDL中甘油三酯的水解
【单选题】
下列化合物中哪一个不是β-氧化所需要的辅助因子
A. NAD+
B. CoA
C. 肉碱
D. FAD
E. NADP+
【单选题】
载脂蛋白B100主要存在于
A. HDL
B. LDL
C. VLDL
D. CM
E. 血浆
【单选题】
脂酰CoA进行β-氧化反应顺序为
A. 脱氢、再脱氢、加水、硫解
B. 硫解、脱氢、加水、再脱氢
C. 脱氢、加水、再脱氢、硫解
D. 脱氢、脱水、再脱氢、硫解
E. 加水、脱氢、硫解、再脱氢
【单选题】
脂肪肝的形成与下列哪种因素无关
A. 必需氨基酸缺乏
B. 酗酒
C. 甲基化作用障碍
D. 脂酸摄取过多
E. 胆碱缺乏
【单选题】
细胞内催化脂酰基转移到胆固醇生成胆固醇酯的酶是
A. 卵磷脂胆固醇脂酰转移酶
B. 脂酰转移酶
C. 肉碱脂酰转移酶
D. 脂酰CoA胆固醇脂酰转
E. 脂酸合成酶
【单选题】
不参加酮体氧化的酶是
A. β-酮脂酰CoA硫解酶
B. 乙酰乙酰硫激酶
C. 琥珀酰CoA转硫酶
D. β-羟丁酸脱氢酶
E.
【单选题】
胞液中脂酸合成的限速酶是
A. 肉碱脂酰转移酶
B. HMGCoA还原酶
C. HMGCoA合成酶
D. HMGCoA裂解酶
E. 乙酰CoA羧化酶
【单选题】
Ⅰ型高脂蛋白血症是指空腹血浆
A. CM升高
B. VLDL升高
C. LDL升高
D. LDL及VLDL升高
E. CM及VLDL升高
【单选题】
生物合成胆固醇的限速步骤是
A. 二甲丙烯焦磷酸Ⅾ焦磷酸法尼酯
B.
C. 羊毛固醇Ⅾ胆固醇
D. 羟甲基戊二酸单酰CoAⅮ甲羟戊酸MVA
E. 2乙酰CoAⅮ3-羟基-3-甲基戊二酰CoA
【单选题】
合成胆固醇的限速酶是
A. HMGCoA合成酶
B. HMGCoA还原酶
C. HMGCoA裂解酶
D. 甲羟戊酸激酶
E. 鲨烯环氧酶
【单选题】
密度最低的脂蛋白是
A. 乳糜微粒
B. β-脂蛋白
C. 前β-脂蛋白
D. α-脂蛋白
E. 脂蛋白α
【单选题】
脂酸生物合成叙述正确的是
A. 不需乙酰CoA
B. 中间产物是丙二酰CoA
C. 在线粒体内进行
D. 以NADH为还原剂
E. 最终产物为十碳以下脂酸
【单选题】
肝脏生成乙酰乙酸的直接前体是
A. β-羟丁酸
B. 乙酰乙酰CoA
C. β-羟丁酰CoA
D. 甲羟戊酸
E. 羟甲基戊二酸单酰CoA
【单选题】
脂酸合成所需的乙酰CoA由
A. 胞质直接提供
B. 线粒体合成并转化为柠檬酸转运到胞质
C. 胞质的乙酰肉碱提供
D. 线粒体合成以乙酰CoA的形式转运到胞质
E. 胞质的乙酰磷酸提供
【单选题】
甘油三酯经甘油二酯途径生物合成时的重要中间产物是
A. 甘油一酯
B. CDP-甘油二酯
C. 溶血磷脂酸
D. 磷脂酸
E. NADH
推荐试题
【单选题】
The word “it” (Para. 2) most probably refers to. ___
A. the lack of stable communities
B. the breakdown of informal information channels
C. the increased mobility of families
D. the growing number of people moving from place to place
【单选题】
The main problem people may encounter today arises from the fact that . ___
A. they have to learn new things consciously
B. they lack the confidence of securing reliable and trustworthy information
C. they have difficulty obtaining the needed information readily
D. they can hardly carry out casual communications with an extended family
【单选题】
From the passage we can infer that _______. ___
A. electronic mail will soon play a dominant role in transmitting messages
B. it will become more difficult for people to keep secrets in an information era
C. people will spend less time holding meetings or conferences
D. events will be reported on the spot mainly through satellites
【单选题】
Technology facilitates _______. ___
A. sharing information
B. storing and sending information
C. providing people with easy access to more information
D. all of the above
【单选题】
We can learn from the last paragraph that _______. ___
A. it is necessary to obtain as much
B. people should make the best use of the information
C. we should realize the importance of accumulating information
D. it is of vital importance to acquire needed information efficiently
【单选题】
The author thinks that people are _________. ___
A. satisfied with their appearance
B. concerned about appearance in old age
C. far from neglecting what is in fashion
D. reluctant to follow the trends in fashion
【单选题】
Fashion magazines and TV advertisements seem to link fashion to _________. ___
A. confidence in life
B. personal dress
C. individual hair style
D. personal future
【单选题】
Causes of fashions are _________. ___
A. uniform
B. varied
C. unknown
D. inexplicable
【单选题】
Present-day society is much freer and easier because it emphasizes _________. ___
A. uniformity
B. formality
C. informality
D. individuality
【单选题】
Which is the main idea of the last paragraph? ______________ ___
A. Care about appearance in formal situations.
B. Fashion in formal and informal situations.
C. Ignoring appearance in informal situations.
D. Ignoring appearance in all situations.
【单选题】
Permissive parents would ________. ___
A. let their children read any books they like to
B. not let their children see any films they like to
C. not let their children read any books without first checking their contents
D. let their children see the films with their first checking
【单选题】
The fact that parents check the contents of the book or the film for their children to read or see shows __________. ___
A. the necessity of censorship
B. that many books and films are bad
C. that children need their parents to help them understand more
D. that the parents are permissive
【单选题】
Which of the following statements is NOT true?____________ ___
A. Some adults can’t tell right from wrong.
B. Censorship is compared to the law because both of them perform good service to society as a whole.
C. Censors pay attention only to genuine works of art.
D. Censorship is necessary because many books, plays and films are far from being “works of art”.
【单选题】
What does the word “corrupt” in Para.4 mean?__________ ___
A. Make morally bad.
B. Hurt.
C. Injure.
D. Damage.
【单选题】
What would be the best title of this passage?_____________ ___
A. Permissive Parents and Responsible Parents.
B. Censorship and the Law.
C. Censors Value Artistic Merits .
D. Censorship Performs Good Service to Society.
【单选题】
Lie detectors are widely used in the United States because _____________. ___
A. they can help detect people’s emotional stress
B. they can help detect people's physiological changes
C. they can help find out whether a person is telling the truth or not
D. they can measure the subject’s electrical resistance
【单选题】
According to the passage, we know that Britain______________. ___
A. will adopt lie detectors widely
B. will adopt lie detectors on a smaller scale
C. adopt lie detectors
D. has not decided whether to adopt lie detectors or not
【单选题】
The tests themselves are by no means free from error..." (Line 1-2.Para.3) means ____________. ___
A. the tests definitely have no error
B. the tests sometimes make mistakes
C. the polygraphers do not make mistakes
D. the polygraphers can avoid error by using some techniques
【单选题】
Which of the following is true? ________________ ___
A. The tests are conducted by qualified polygraphers.
B. Innocent people may blush or stammer when questioned.
C. Guilty people can definitely be found out by answer questions
D. Guilty people may escape by refusing to answer questions.
【单选题】
What troubles lie detector researchers most is that _______________. ___
A. innocent people are convicted crimes
B. innocent people will learn to tell lies
C. lie detectors may cause industrial unrests
D. lie detectors are sometimes not dependable
【单选题】
In the passage the author's attitude towards "mixed-ability teaching" is _______. ___
A. critical
B. questioning
C. approving
D. objective
【单选题】
By "held back" (Line 1) the author means _____. ___
A. made to remain in the same classes
B. forced to study in the lower classes
C. drawn to their studies
D. prevented from advancing
【单选题】
The author argues that a teacher's chief concern should be the development of the student's _________. ___
A. personal qualities and social skills
B. total personality
C. learning ability and communicative skills
D. intellectual ability
【单选题】
Which of the following is NOT MENTIONED in the third paragraph? __________ ___
A. Group work gives pupils the opportunity to learn to work together with others.
B. Pupils also learn to develop their reasoning abilities.
C. Group work provides pupils with the opportunity to learn to be capable organizers.
D. Pupils also learn how to participate in teaching activities.
【单选题】
The author's purpose in writing this passage is to ______. ___
A. argue for teaching bright and not-so-bright pupils in the same class
B. recommend pair work and group work for classroom activities
C. offer advice on the proper use of the library
D. emphasize the importance of appropriate formal classroom teaching
【单选题】
According to the author, the deaths among youth are mainly caused by _____. ___
A. traffic accidents
B. smoking-related diseases
C. murder
D. all of these
【单选题】
Every day there are over_____high school students who will become regular smoker. ___
A. 75
B. 23
C. 30
D. 3000
【单选题】
By "dropout" the author means______. ___
A. students who failed the examination
B. students who left school
C. students who lost their way
D. students who were driven out of school
【单选题】
The reason for declining adolescent smoking is that ________. ___
A. NCI has taken effective measures
B. smoking is prevented among high school seniors
C. there are many smokers who have died of cancer
D. not stated
【单选题】
What is implied but not stated by the author is that ________. ___
A. smoking rates among youth have declined very little
B. there are now more female than male smokers among high school seniors
C. high smoking rates are due to the increase in wealth
D. smokers at high school are from low socio-economic backgrounds
【单选题】
According to the passage, which of the following is NOT a disadvantage of part time education? _______________ ___
A. It requires some break in one's career.
B. It tends to last too long for many people to complete a degree program.
C. It affects one's career.
D. It gives the student less time to share with the family.
【单选题】
Which of the following is NOT an advantage of distance learning? _________ ___
A. The student may choose his or her own pace.
B. The student may study at any time to his or her convenience.
C. They can pursue their chosen career while studying.
D. Their tutorial assistance comes through regular airmail, telephone, etc.
【单选题】
What benefit will distance learning program bring to a business? __________ ___
A. Recruitment of more talented people.
B. Good image of the business.
C. Better cooperation with universities.
D. Further training of employees and business growth.
【单选题】
Good distance learning program have the following characteristic EXCEPT______. ___
A. distance learning course is the same as students taking courses in campus
B. the degree should be same as on campus study
C. professor-student relationship is strictly one to one all through the course
D. includes subject evaluation tool
【单选题】
What benefit will distance learning bring to an employee of a business? ___________ ___
A. Professional growth.
B. Good relationship with the employer.
C. Good impression on the employer.
D. Higher salary.
【单选题】
In the first paragraph, what does "plastic money" (Line 6, Para.1) refer to? ______ ___
A. Dollars.
B. Online payment.
C. Credit cards.
D. Coins.
【单选题】
Which of the following is NOT true about credit cards? ____________ ___
A. Shopkeepers, among others, object to the use of credit cards because they add on the cost of the merchandise.
B. Credit card holders actually pay for their goods after the purchase has been completed.
C. The national company enjoys extensive growth because of the use of credit cards.
D. It has had the effect of increasing consumption.
【单选题】
What is the disadvantage of credit cards? _____________ ___
A. It may lead to the overgrowth of the national economy.
B. The delay in the payment of shopping goods may bring damage to shopkeepers' profits.
C. Some people may intentionally purchase goods that they cannot possibly afford.
D. Those who pay by cash at the purchase will have to pay for the cost added to the product as the interest charge of credit cards.
【单选题】
What is the main topic of the text? ________________ ___
A. Advantages and Disadvantages of Credit Cards.
B. Economic Growth Backed up by the Use of Credit Cards.
C. It can encourage great sums of consumption.
D. Credit Cards Make Life
E. asier.
【单选题】
The author's attitude towards credit card is.______________. ___
A. agreeable
B. neutral
C. humorous
D. oppositional