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 aerobic ) 0-m(5uc.quj cjgehfrespiration?

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 reacti0jrm6) dvaou/onsm6 )u 0vj/orad.
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 make ATdqf-ime b3eb*rkmix9ft 0,-6 ap9hw8vv*0u bP?
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 chemicaw-dgg5 e9t *ell nature of adenosine triphosphate?

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 carbon dioxide. Explain how the apparat:lu vvsah9/0oma .1ocqb gl;/us measures 1aaqov sb;l:/hguo 9vm l.0c/ 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 is a tube with 9u0c/n9cyy t cglass beads

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7#

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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 trialsmybomk1xgo(6:0 n z ;j?

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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 could besjag ef5wa :*tg9; va ;(ac7lr used to investigate an independent variable that could affect eg*wa f ag ;9lcsr57va;a:j(tthe 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 a n+ bj:my+ie5 3m*:+nkzl:;ampdtzythe processes of aerobic and anaerobic respiration by col+5 m+ytby;z za*k:n+a:3in jd:epmmmpleting the table below:

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10#

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7. Outline three uses made of the ener:6,t.j- ttol9 zxueq rgy currency, ATP, in cells.

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11#

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8. Glycolysis produces pyruvate and 2 molecules;9fyy rpn 7.xo 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 enzymex 5*ijk-zqb/)e.jg rp4wyf+i7mz 5x zs in the process of aerobic respiration.jq5yfi) erb4/-i k.+xg*z w j5x 7zpzm
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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