Review for Regular Test - H2O, ph, Macromolecules, Enzymes, ATP, Photo, CR A. A B. F C. C D. D

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1 Macromolecules, Enzymes, TP, Photo, R Name: ate: 1. The accompanying diagram represents some chemical events that take place in one type of autotrophic nutrition. 3. The dark reactions in the stroma are represented by letter.. F.. The arrows labeled best represent. carbon dioxide. glucose. energy. lactic acid 4. The graph shows the results of an investigation in which an unknown species of bacteria was cultured for 24 hours. With the exception of temperature, all conditions influencing the growth of this bacterium remained constant. 2. ase your answer(s) to the following question(s) on the diagram of a chloroplast below and on your knowledge of biology. What is the experimental variable in this investigation?. time The process of photolysis in the grana occurs at letter. E. G... size of each bacterium. number of colonies. temperature page 1

2 5. In the enzyme-controlled reaction represented by the word equation below, which molecules are considered the substrate? monosaccharide + monosaccharide disaccharide + water. monosaccharide and monosaccharide. disaccharide and water 7. The raw materials used by green plants for photosynthesis are. oxygen and water. oxygen and glucose. carbon dioxide and water. carbon dioxide and glucose. monosaccharide and water. monosaccharide and disaccharide 6. ase your answer(s) to the following question(s) on the diagrams below and on your knowledge of biology. The arrow below each lettered process indicates where the process takes place. 8. Most of the oxygen that enters the atmosphere results from the process of. respiration. fermentation. transpiration. photosynthesis Glucose is a product of. process, only. process, only. process and process. process and process page 2 Macromolecules, Enzymes, TP, Photo, R

3 9. The process represented by the equation shown occurs within cells of which organism? 12H 2 O + 6O 2 energy enzymes 6 H 12 O 6 + 6H 2 O + 6O 2. a human. a grasshopper. a bean plant. a mushroom 10. In the reactions of photosynthesis, simple sugar molecules are manufactured in the 12. The graph shown relates the rate of photosynthesis in a geranium plants to varying conditions of temperature and light intensity.. chloroplasts. mitochondria. stomates. vacuoles 11. Which process is an outcome of photosynthesis?. omplex molecules are broken down to form simple molecules.. Water is absorbed into the root hairs.. Light energy is converted into chemical energy.. Water is transported through vascular tissue. The rate of photosynthesis is reduced at temperatures above 40 because. chlorophyll cannot absorb light that is too intense. enzymes are denatured by excessive heat. the light becomes too intense. water evaporates too slowly page 3 Macromolecules, Enzymes, TP, Photo, R

4 13. One hundred samples of living plant tissues were placed in each of four sealed containers of equal volume. The amount of O 2 present in each of the containers was 250 cubic centimeters. The data table shows the color of light and the temperature that each container was exposed to. The amount of O 2 remaining in each container at the end of 2 days is also shown in the table. ssume that any experimental conditions not listed are identical in all four containers. ontainer Plant ata Table Plant Part Light olor Temp. ( ) O 2 Present fter 2 ays (cm 3 ) 1 myrtle leaf red myrtle leaf red oak root blue oak leaf orange The diagram represents some processes occurring in the leaf of a plant. Which letters indicate substances needed by the leaf to carry out the process of aerobic cellular respiration?. and. and. and. and In which container was photosynthesis most likely taking place at the fastest rate? The distortion (change in shape) of enzyme molecules which occurs at high temperatures is known as. synthesis. specificity. replication. denaturation 16. Most chemical reactions in organisms are regulated by organic catalysts known as. enzymes. polysaccharides. hormones. nucleotides page 4 Macromolecules, Enzymes, TP, Photo, R

5 17. ase your answer(s) to the following question(s) on the diagram below, which is a concept map that shows the relationship between photosynthesis and respiration, and on your knowledge of biology. 19. Graph I shows the relationship between the relative rates of activity of enzymes and and temperature. Graph II shows the relationship between the relative rates of activity of enzymes and and ph. Which molecule belongs in area?. deoxyribonucleic acid. adenosine triphosphate. PGL. 6 H 12 O 6 Under which conditions is enzyme most effective?. at 40 and a ph of 5. at 45 and a ph of In which cell organelle do the reactions that belong in areas and occur?. at 45 and a ph of 9. at 50 and a ph of 9. mitochondrion. chloroplast. endoplasmic reticulum. Golgi complex page 5 Macromolecules, Enzymes, TP, Photo, R

6 20. The optimum environment for enzyme is. a basic medium. an acidic medium. either an acidic or a basic medium. a neutral medium 23. ertain organisms break down glucose in a series of enzyme-controlled reactions. This series of reactions, which results in the production of alcohol and carbon dioxide, is an example of. dehydration synthesis. anaerobic respiration. hydrolysis. photosynthesis 21. The diagram shown is of the lock-and-key concept of enzyme action that occurs in humans and on your knowledge of biology. Which letter represents an enzyme?.. E The optimal ph for the functioning of the human enzyme intestinal protease is 8. This ph is best described as. slightly basic. very basic. slightly acidic. very acidic 22. The area labeled X is known as. an atomic nucleus. an active site 25. Which ph range would provide an acid environment for enzyme action? a ph indicator. a temperature regulator page 6 Macromolecules, Enzymes, TP, Photo, R

7 26. Which enzyme shows the greatest change in its rate of action with the least change in ph? 27. Which enzymes would function in a region of the human body that have a neutral ph?. and. and. and. and In the summary equation below, which process produced the lactic acid? glucose enzymes 2 lactic acid + 2 TP. dehydration synthesis. enzymatic hydrolysis. fermentation. aerobic respiration page 7 Macromolecules, Enzymes, TP, Photo, R

8 29. This equation represents a process that occurs in both plants and animals. glucose + oxygen enzymes water + carbondioxide + 36 TP Within which organelles are most of the 36 TP molecules produced?. ribosomes. endoplasmic reticula. nuclei. mitochondria 30. uring the process of aerobic respiration, energy stored in food is transferred to molecules of. TP. N. glucose. enzymes 33. Shown are two phrases, and. Select the statement, chosen from the list below that best describes the relationship between the two phrases. Phrase : The number of TP molecules produced during fermentation of one glucose molecule Phrase : The number of TP molecules produced during aerobic respiration of one glucose molecule 31. Select the process, chosen from the list below, that is best described by the statement shown. The most efficient energy-liberating process. is less than.. is greater than.. and are the same.. photosynthesis. alcoholic fermentation. aerobic respiration. lactic acid fermentation 34. Which process requires the presence of oxygen to release energy?. aerobic respiration 32. In which organisms does anaerobic respiration result in the production of TP and alcohol?. algae. earthworms. photosynthesis. fermentation. anaerobic respiration. ferns. yeasts page 8 Macromolecules, Enzymes, TP, Photo, R

9 35. What is represented by X in the summary equation for aerobic respiration shown? glucose + oxygen enzymes water + carbon dioxide + X. TP. P. lactic acid. ethyl alcohol 36. Which substance is represented by X in the word equation shown? glucose + X enzymes water + carbon dioxide + TP. alcohol. chlorophyll. oxygen. lactic acid 37. Two species of bacteria produce different respiratory end products. Species always produces TP, O 2, and H 2 O; species always produces TP, ethyl alcohol, and O 2. Which conclusion can correctly be drawn from this information? 38. Which substance is a product of fermentation in human muscle cells?. glucose. oxygen. carbon dioxide. lactic acid. Only species is aerobic.. Only species is aerobic.. Species and species are both anaerobic.. Species and species are both aerobic. 39. Which types of compounds are not classified as carbohydrates?. lipids. sugars. starches. polysaccharides page 9 Macromolecules, Enzymes, TP, Photo, R

10 40. Select the compound, chosen from the list below, which is most closely associated with this statement: 43. The diagram shows some of the events that take place in a plant cell. Use the diagram to answer the following question(s). Some of these molecules are made from three fatty acids bonded to a molecule of glycerol.. Lipids. Proteins. Vitamins. Water The letters X, Y, and Z most likely represent 41. Organic compounds in which molecules are made up of building blocks containing amino groups are classified as. proteins. carbohydrates. lipids. fatty acids. N 2, 0 2, and H 2 O. O 2, light, and H 2 O. light, ammonia, and H 2 O. light, O 2, and methane 42. Two examples of carbohydrates are. fatty acids and glycerol. fats and waxes. sugars and starches. amino acids and alcohol page 10 Macromolecules, Enzymes, TP, Photo, R

11 44. ase your answer(s) to the following question(s) on the information and data below and on your knowledge of biology. 45. Mark an appropriate scale on each labeled axis One milliliter of a solution containing an even distribution of a species of bacterium was spread on the surface of a nutrient medium in each of five culture dishes. The nutrient medium in each dish was the same, except for ph. The dishes were then incubated at 37 for 24 hours. The number of bacterial colonies in each dish was then counted, and the results are represented in the data table below. ata Table ph of Nutrient Number of acterial Medium olonies on Nutrient Medium Using one or more complete sentences, state a conclusion that relates the number of colonies of this species of bacterium to ph. page 11 Macromolecules, Enzymes, TP, Photo, R

12 Problem-ttic format version c Educide Software Licensed for use by Judith Wilcox-losser Terms of Use at Macromolecules, Enzymes, TP, Photo, R 10/10/

13 Teacher s Key Page s ph increases from 5 to 9, the number of colonies of the bacterium increases and then decreases. s ph increases from 5 to 8, the number of colonies of the bacterium increases.

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