【单选题】
植物、藻类利用叶绿素产生的光合作用过程中,在可见光的照射下,能将二氧化碳和水转化为有机物,释放出的是 ___
A. 氧气
B. 氮气
C. 氢气
D. 氯气
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答案
A
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【单选题】
呼吸作用是生物体内的有机物在细胞内经过一系列的氧化分解,在释放出能量的同时,最终生成的主要是 ___
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【单选题】
晚上,植物与动物都不应该放入卧室内,要将其移到卧室外,这是因为它们会降低卧室内的___
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【单选题】
杂交优势往往在第几代杂交种子中表现最明显。___
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【单选题】
以下不属于人体增强技术类型的是___
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【单选题】
大陆漂移学说是由谁提出的___
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(1)Whieh of the following descriptions about the characteristics of physiology is wrong?___
A. It is the study of how living organisms work.
B. It illustrates the discipline of the development and the evolution of disease and the essence of disease.
C. It is to study the living phenomena and the function activities of living organs.
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【单选题】
(2) Which of the following are specialized in producing force and movement?___
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【单选题】
(3)The fluid environment surrounding each cell is called the___
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【单选题】
(4) Which of the following is not the fundamental characteristic of living organisms?___
A. metabolism
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【单选题】
(5)Whicl of the following is a physiological process with negative feedback?___
A. blood coagulation
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【单选题】
(6)Which of the following is not the characteristic of regulation by hormone?___
A. diffusenin nature
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【单选题】
7)Which of the following is not the characteristic of cells?___
A. They are bound by the plasma membrane
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【单选题】
8)The breakdown of large molecules to smaller ones is called___
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【单选题】
9) Which of the following descriptions about the characteristics of nervous regulation is wrong?___
A. It responds fast
B. It acts exactly
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D. uration is short
【单选题】
10)Which of the following descriptions about the control of body function is wrong?___
A. Homeostasis is kept by feedback control.
B. Negative feedback minimizes the changes, leading to stability.
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【单选题】
(1)Which of the following parts of knowledge of drugs should be included in pharmacology?___
A. The effects of drugs on man
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【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
A. Drugs which can be reasonably limited to those aspects that provide the basis for their rational clinical use
B. Chemical agents that are not used in therapy but are commonly responsible for household and industrial poisoning as well as environmental pollution
C. Drugs which are useful in the prevention,diagnosis and treatment of human disease,or in the prevention of pregnancy.
D. rugs which are useful in the prevention, diagnosis and treatment of human disease, or in the prevention of pregnancy.
【单选题】
(3)Why was the physician not interested in pharmacognosy?___
A. He didn't have to select the proper plants for his prescription
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【单选题】
(4)Which of the following is the best way of studying pharmacology for medical students and practitioners?___
A. to have a broad botanical knowledge
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【单选题】
(5)What are the tasks related to medicines almost complete!y delegated to the pharmacists now?___
A. the physical and chemical properties of medicines
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【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
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【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
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【单选题】
8)What does the research on pharmacodynamics focus on?___
A. study of clinical effect of drugs
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【单选题】
(9)Which of the following is true when drugs are selected?___
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【单选题】
(10)Why are chemotherapeutic agents useful in therapy?___
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1)H. Mario Geysen initially used parallel synthesis as a quick way to identify which small_____ of any given large protein bound to an antibody.___
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【单选题】
2)Chemists often start a combinatorial synthesis by attaching the first set of building blocks_____ to microscopic beads made of polystyrene.___
A. solid
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3)The chemical reactions required to link compounds to the beads and later to detach them____ to the synthesis proces.___
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【单选题】
4)In a parallel synthesis, all the products are_____ separately in their own reaction vessels.___
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【单选题】
(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
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【单选题】
(6)Scientists can pull out from the mixture the beads that bear biologically active molecules and then,using sensitive detection techniques,___ the molecular makeup of the compound attached.___
A. determine
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(7)Most pharmaceutical companies today continue to___ parallel synthesis. Which of the following is not appropriate to be filled in the blank?___
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(8)Once they identify a promising substance, they___ make many one-at-a-time modifications to the structure.___
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(9)Often these procedures yield a compound having acceptable___ and safety.___
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10)In many laboratories today, robots___ the routine work of parallel synthesis.___
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【单选题】
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【单选题】
(5)Plasma drug concentration is affected by following factors such as___
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