SL/HL Topic C1.2 Cell respiration - 无忧得胜-网上国际课程 (5edu.win)

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1#

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第 1 题组 (共 4 题 4 分)

1. What is the role of oxygen in aerobic respiro/.zcix -0wwtation?

A. It is used to make energy.

B. It reacts with glucose to form water.

C. It is used in aerobic respiration in the cytoplasm.

D. It is used in aerobic respiration in the mitochondria.

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2#

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2. Respiration makes the energy carrying molecule, A s yvimfwvvt63m(+m68.hkqu+xj:s a7TP to drive cellular reactiow6.jvq3utm+m a(vskm vh7i f :s+y6x8ns.
How is the energy from ATP released?

A. ATP is hydrolysed to ADP.

B. ATP is hydrolysed to ADP and phosphate.

C. ATP is converted to chemical energy.

D. ATP is broken down into adenine and phosphates.

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3#

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3. Which of the following processes can +h2, mve2l/o eo0eomvmake ATP?
I Anaerobic respiration of fatty acids.
II Condensation of monomers into polymers.
III Aerobic respiration of glucose.
IV Digestion of starch.

A. I III and IV only

B. I and II only

C. II and III only

D. I and III only

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4#

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4. What is the chemical nature of adenosiv4 y/y ml .c2xb:u15d+k*1jvprb eetlne triphosphate?

A. A carbohydrate.

B. A nucleotide.

C. A base.

D. An amino acid.

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5#

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第 2 题组 (共 4 题 4 分) 当前第1/4题

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5. The image shows a respirometer which is designed to measure the rate of use of oxygen of geminating black eye bean seeds. whole apparatus is submerged in an electronic water bath set at$25^{\circ}C$.

For each trial, first the clips are opened for 5 minutes. Then the clips are closed and the syringe used to make the red coloured water in the manometer level on both sides (as shown in the diagram). The reading on the syringe is recorded. The beans are left to respire for 15 minutes and then the syringe is used to reset the level in the u-tube. The volume of oxygen used in respiration is estimated by measuring the volume of gas in the syringe needed to reset the level to the start point.

I. The potassium hydroxide arkfw )l) k-r ,;w+ocjwbsorbs carbon dioxide. Explain how the apparatus measuw,ol-jrwfrw; +)k)kc res oxygen usage.

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6#

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5. The image shows a respirometer which is designed to measure the rate of use of oxygen of geminating black eye bean seeds. whole apparatus is submerged in an electronic water bath set at$25^{\circ}C$.

For each trial, first the clips are opened for 5 minutes. Then the clips are closed and the syringe used to make the red coloured water in the manometer level on both sides (as shown in the diagram). The reading on the syringe is recorded. The beans are left to respire for 15 minutes and then the syringe is used to reset the level in the u-tube. The volume of oxygen used in respiration is estimated by measuring the volume of gas in the syringe needed to reset the level to the start point.

II. Explain why there :dsdd t:w h/p ,ii.n4his a tube with glass beads

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7#

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第 2 题组 (共 4 题 4 分) 当前第3/4题

题组内容描述:
5. The image shows a respirometer which is designed to measure the rate of use of oxygen of geminating black eye bean seeds. whole apparatus is submerged in an electronic water bath set at$25^{\circ}C$.

For each trial, first the clips are opened for 5 minutes. Then the clips are closed and the syringe used to make the red coloured water in the manometer level on both sides (as shown in the diagram). The reading on the syringe is recorded. The beans are left to respire for 15 minutes and then the syringe is used to reset the level in the u-tube. The volume of oxygen used in respiration is estimated by measuring the volume of gas in the syringe needed to reset the level to the start point.

III. Why is it necessary to open the clips between tri(x-*x oxbwrs0 als?

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8#

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第 2 题组 (共 4 题 4 分) 当前第4/4题

题组内容描述:
5. The image shows a respirometer which is designed to measure the rate of use of oxygen of geminating black eye bean seeds. whole apparatus is submerged in an electronic water bath set at$25^{\circ}C$.

For each trial, first the clips are opened for 5 minutes. Then the clips are closed and the syringe used to make the red coloured water in the manometer level on both sides (as shown in the diagram). The reading on the syringe is recorded. The beans are left to respire for 15 minutes and then the syringe is used to reset the level in the u-tube. The volume of oxygen used in respiration is estimated by measuring the volume of gas in the syringe needed to reset the level to the start point.

IV. Outline how this apparatus cj8j dr2ado i+)td/+ qhould be used to investigate an independent variable that could affect the rate of oxygen usage bdr /do 28ij+thd) aj+qy the black eye beans.

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9#

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第 3 题组 (共 4 题 4 分)

6. Compare and contrast the processes,2fytp1kt -l u-(rcc d3jke +s of aerobic and anaerobic respiration by completing the ta1cfty2-skp(r t-l,c 3u ed+ jkble below:

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10#

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7. Outline three uses zvek (i9ti*s ipauu+3y:+f+o made of the energy currency, ATP, in cells.

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11#

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8. Glycolysis produces pyruvate and 2 mol rct3+j 2p 3a5suoms4cecules of reduced $NADH + H^+$. Suggest why, in aerobic conditions, the ATP yield of glycolysis is higher than in anaerobic conditions.

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12#

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9. There are several dehydrogenase yn fa/yc75 1k8ew6ji 7.kjpnxenzymes in the process of aerobic respiration. fp kyjn61xika7ycen8. 57wj /
They often have the hydrogen acceptor, NAD, as a coenzyme.
Outline the role of the dehydrogenase enzyme and the hydrogen acceptor to the manufacture of energy in aerobic respiration.

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