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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1. What is the role of oxygen in ae m-idcvcrizqfm39a- 3 k 8i 6hn3yba6nong+;(robic respiration?

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, ATP to drive cellular fp3(( a7) kcgdouju e1reactions. ec7( )(g 31 ofkujdapu
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 makn (kgq(tj;2 a0xup2wt e 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 *rsz1b8wr61u4h ha a) cbtp:vadenosine 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 absorbs cabtf.u39md97 clarv l; rbon dioxide. Explain how the apparatus measu;ct .u 7amlvf3ld 9br9res oxygen usage.

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6#

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第 2 题组 (共 4 题 4 分) 当前第2/4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.

II. Explain why there is a tube with ftq/nwq )/ jn))6 jokkc9-vyq 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 th 7yp0bd2+s4h lv..edibn5yds :l t+* 4dzmu sle clips between trials?

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8#

问答题 ( 1.0 分) (组内4/4) 切至整卷模式搜藏此题

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 could be used to investigate anarvej jt1t/ d:8ksc23 independent variable that could affect the rate of oxygen us1rjt: esaj83vk/ t d2cage by 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 of aerobic and anaerobic respirat -+.przb:4vf wi(vzwcion by completing the table belowb.zvrwzf4pi v-(w : +c:

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10#

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7. Outline three uses madem tb+oamr- +zv9xq3,h of the energy currency, ATP, in cells.

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11#

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8. Glycolysis produce- (ij1f hlo-wrc. h ,qhs1c7cks pyruvate and 2 molecules 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#

问答题 ( 1.0 分) (组内4/4) 切至整卷模式搜藏此题

9. There are several dehydrogenase enzymes in the process of aerobiczs0w; 8qheuxu v u) 5.f(7wmzt respiration. (w vszq5h.u)xez;w70mut8 uf
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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