SL/HL Topic C1.2 Cell respiration - 题库网 (tiku.one)

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1#

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1. What is the role of oxygen in aerobic 8h,cu ) kzdyl4respiration?

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 thekh-2bhj i ( d9jgmi8:ec j8qapo-4hm 3 energy carrying molecule, ATP to drive cellular reaction8hmi qk(4apd3hi bjhjmej -:g9c 82o-s.
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 cf aw*ytz j.mnatfg.d8 w;86w5an make 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 adenosine triph,* a*rpaqw o-b n,nq;zosphate?

A. A carbohydrate.

B. A nucleotide.

C. A base.

D. An amino acid.

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5#

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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 + w48/ gvnj*p-9ggg sqmjl g(tcarbon dioxide. Explain how the apparatus measures oxygen usage 4 mg*ws j-tgpg j/g98l(ng+vq.

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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 is a tube with /b zwo(v,u9ty//jfnljzs;/o 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 oped +-9v4xtjs +2lvzl+a1syscrn the clips between trials?

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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 coul u70bb. 3mn on/zeaj7md be used to investigate an independent variable that couo07zma ne b m/jnb7.3uld affect the rate of oxygen usage 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 pq:-b )n6osrprqmc-) qrocesses of aerobic and anaerobic respiration by completiom):rb -p )q-nqs c6rqng the table below:

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10#

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7. Outline three uses made of u77l (6bhbziiu 372yp qj pi)cthe energy currency, ATP, in cells.

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11#

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8. Glycolysis produces pysv,o1kb ) 1 zzi/pv.lvruvate 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#

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9. There are several dehydrogenase enzymes in the process of aerpcartrck g8 ;5rmzf y/, w7o2,obic respiration. pm,8kgoc5y fr ac/2zrt, wr7;
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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