题目内容
（请给出正确答案）
A、Mitochondrial matrix
B、Mitochondrial intermembrane space
C、Mitochondrial inner membrane
D、Cytosol
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更多“Energy released by the electron transport chain is used to pump H+ ions into which location？”相关的问题
A、Each component involves a phosphorylation step.
B、Each complex directly transfers electrons to O2.
C、Electrons flow spontaneously from one carrier to the next.
D、Every complex has a Fe-S cluster.
E、Locate in outer membrane of mitochondria
Thousands of years ago man used handy rocks for his surgical operations．Later he used sharpbones or horns, metal knives and more recently, rubber and plastic．In the 1960s a new tool wasdeveloped, one which was, first of all, to be of great practical use to the armed forces and indus-try, but which was also to revolutionize the art and science of surgery．
The tool is the laser and it is being used by more and more surgeons all over the world．As weall know, light is hot, and any source of light will give warmth．But light is usually spread outover a wide area．The light in a laser beam, however, is concentrated．This means that a light withno more power than that produced by an ordinary electric light bulb becomes intensely strong as itis concentrated to a pinpoint-sized beam．
Experiments with these pinpoint beams showed researchers that different energy sources pro-duce beams that have a particular effect on certain living cells．It is now possible for eye surgeonsto operate on the back of human eye without harming the front of the eye, simply by passing a laserbeam right through the eye-ball．Operations which once left patients exhausted and in need of longperiod of recovery time now leave them feeling relaxed and comfortable．
The rapid development of laser techniques in the past ten years has made it clear that the futureis likely to be very exciting．Perhaps some cancers will be treated with laser in a way that makessurgery not only safer but also more effective．
Which of the following would be appropriate to describe the instruments of surgical opera-tions up until 1960s? 查看材料
A.Traditional．
B.Complicated．
C.Remarkable．
D.Revolutionary．
A、Buying inventory on credit
B、Selling inventory at cost
C、Paying accounts payable with cash
D、Converting marketable securities to cash
B I believe anyone can be a good manager. It is as much trainable skill as it is inherent ability; as much science as art. You have confidence in yourself and your abilities. You are happy with who you are, but you are still learning and getting better. You are something of an extrovert. You dont have to be the life of the party, hut you cant be a wallflower. Management is a people skill--its not the job for someone who doesnt enjoy people.
C You are honest and straightforward. Your success depends heavily on the trust of others. You are an includer not an excluder. You bring others into what you do. You dont exclude other because they lack certain attributes. You have a presence. Managers must lead. Effective leaders have a quality about them that makes people notice when they enter a room.
D You are consistent, but not rigid; dependable, but can change your mind. You make decisions, but easily accept input from others. You are a little bit crazy. You think out-of-the box. You try new things and if they fail, you admit the mistake, but dont apologize for having tried. You are not afraid to "do the math". You make plans and schedules and work toward them.
The need for good managers is increasing.
A.
B.
C.
D.
A、较小的发电机有时是自励磁型的，即励磁线图由发电机本身发出来的电流供电。
B、较小的发电机有时是自励磁型的，即励磁线图被发电机本身发出来的电流供电。
C、较小的发电机有时是自励磁型的，即励磁线图通过发电机本身发出来的电流供电。
D、较小的发电机有时是自励磁型的，即励磁线图为发电机本身发出来的电流所供电。
New Research Lights the Way to Super-fast Computers
(1) New research published today in the journal Nature Communications, has demonstrated how glass can be manipulated to create a material that will allow computers to transfer information using light. This development could significantly increase computer processing speeds and power in the future.
(2)The research by the University of Surrey, in collaboration with the University of Cambridge and the University of Southampton, has found it is possible to change the electronic properties of amorphous chalcogenides, a glass material integral to data technologies such as CDs and DVDs.
By using a technique called ion doping, the team of researchers have discovered a material that could use light to bring together different computing functions into one component, leading to all-optical systems.
(3)Computers currently use electrons to transfer information and process applications. On the other hand, data sources such as the Internet rely on optical systems; the transfer of information using light. Optical fibers are used to send information around the world at the speed of light, but these signals then have to be converted to electrical signals once they reach a computer, causing a significant slowdown in processing.
(4) "The challenge is to find a single material that can effectively use and control light to carry information arotmd a computer. Much like how the web uses light to deliver information, we want to use light to both deliver and process computer data," said project leader, Dr Richard Curry of the University of Surrey.
(5) "This has eluded researchers for decades, but now we have now shown how a widely used glass can be manipulated to conduct negative electrons, as well as positive charges, creating what are known as &39;pn-junction&39; devices. This should enable the material to act as a light source, a light guide and a light detector -- something that can carry and interpret optical information. In doing so, this could transform. the computers of tomorrow, allowing them to effectively process information at much faster speeds."
(6) The researchers expect that the results of this research will be integrated into computers within ten years. In the short term, the glass is already being developed and used in next-generation computer memory technology known as CRAM, which may ultimately be integrated with the advances reported.$amp;Paragraph 2 __________ 查看材料;$br>
A.Expectation of the discovery
B.The problem of current computers
C.A new finding
D.The purpose of the research
E.Public reaction to the discovery
F.The use of the new material
A、Glycolysis --> NADH --> oxidative phosphorylation --> ATP --> oxygen
B、Citric acid cycle --> FADH2 --> electron transport chain --> ATP
C、Pyruvate --> citric acid cycle --> ATP --> NADH --> oxygen
D、Citric acid cycle --> NADH --> electron transport chain --> oxygen
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