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30. The enzyme salivary amylase will act on starch but not on protein. This action illustrates that salivary amylase (1) contains starch (1) is chemically specific (3) is not reusable (4) lacks protein 31. The graph below shows the effect of tempera- ture on the relative rate of action of enzyme X on a protein. Which change would not affect the relative rate of action of enzyme X? (1) the addition of cold water when the reaction is at 50^circ C (2) an increase in temperature from 70^circ C to 80^circ C (3) the removal of when the reaction is at 30^circ C (4) a decrease in temperature from 40^circ C to 10^circ C 32. Enzymes influence chemical reactions in living systems by (1) becoming part of the product after the reactions occur (2) combining with atmospheric gases to form waste products (d) affecting the rate at which reactions occur (4) absorbing water during synthesis and digestion 33. The diagram below represents three steps in the structure X is most likely digestion of the sugar sucrose. In this diagram, (1) a molecule of oxygen (2) the end product (3) an enzyme molecule (4) the sugar 28 Tonic 2: Moments it the diagram of an enzyme-controlled cushing on your knowledge of biology. reaction - 34. Explain what is lagram. Use thing Steps 1: the following diagram. Use D, and E-to help you with your of your answer, indicate whickplanatics represent the enzyme and the product. 35. Is this reaction an illustration of synthesis or digestion? Support your answer.[1] 36. Explain why heating these molecules might __ the rate at which this reaction occurs? [1] Base your answers to questions 37 through 410 the diagram and data table below and on your knowledge of biology. A student is studying the effect of temperature on the action of a protein-digesting enzyme that's contained in stomach fluid An investigation isset up using five identical test tubes. Each test tube contains 40 milliliters of stomach fluid 40 mLd as well as a 20-millimeter glass tube filled with cooked gastrict egg white, as shown in the Glass tub diagram. After 48 hours the contain amount of egg white digested egg whit in each tube was measured. The data collected are shown in the following table. 37. Identify the independent variable in this investigation. (1) gastric fluid (2) length of glass tubing temperature (4)time

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30. The enzyme salivary amylase will act on starch but not on protein. This action illustrates that salivary amylase (1) contains starch (1) is chemically specific (3) is not reusable (4) lacks protein 31. The graph below shows the effect of tempera- ture on the relative rate of action of enzyme X on a protein. Which change would not affect the relative rate of action of enzyme X? (1) the addition of cold water when the reaction is at 50^circ C (2) an increase in temperature from 70^circ C to 80^circ C (3) the removal of when the reaction is at 30^circ C (4) a decrease in temperature from 40^circ C to 10^circ C 32. Enzymes influence chemical reactions in living systems by (1) becoming part of the product after the reactions occur (2) combining with atmospheric gases to form waste products (d) affecting the rate at which reactions occur (4) absorbing water during synthesis and digestion 33. The diagram below represents three steps in the structure X is most likely digestion of the sugar sucrose. In this diagram, (1) a molecule of oxygen (2) the end product (3) an enzyme molecule (4) the sugar 28 Tonic 2: Moments it the diagram of an enzyme-controlled cushing on your knowledge of biology. reaction - 34. Explain what is lagram. Use thing Steps 1: the following diagram. Use D, and E-to help you with your of your answer, indicate whickplanatics represent the enzyme and the product. 35. Is this reaction an illustration of synthesis or digestion? Support your answer.[1] 36. Explain why heating these molecules might __ the rate at which this reaction occurs? [1] Base your answers to questions 37 through 410 the diagram and data table below and on your knowledge of biology. A student is studying the effect of temperature on the action of a protein-digesting enzyme that's contained in stomach fluid An investigation isset up using five identical test tubes. Each test tube contains 40 milliliters of stomach fluid 40 mLd as well as a 20-millimeter glass tube filled with cooked gastrict egg white, as shown in the Glass tub diagram. After 48 hours the contain amount of egg white digested egg whit in each tube was measured. The data collected are shown in the following table. 37. Identify the independent variable in this investigation. (1) gastric fluid (2) length of glass tubing temperature (4)time

30. The enzyme salivary amylase will act on starch but not on protein. This action illustrates that salivary amylase (1) contains starch (1) is chemically specific (3) is not reusable (4) lacks protein 31. The graph below shows the effect of tempera- ture on the relative rate of action of enzyme X on a protein. Which change would not affect the relative rate of action of enzyme X? (1) the addition of cold water when the reaction is at 50^circ C (2) an increase in temperature from 70^circ C to 80^circ C (3) the removal of when the reaction is at 30^circ C (4) a decrease in temperature from 40^circ C to 10^circ C 32. Enzymes influence chemical reactions in living systems by (1) becoming part of the product after the reactions occur (2) combining with atmospheric gases to form waste products (d) affecting the rate at which reactions occur (4) absorbing water during synthesis and digestion 33. The diagram below represents three steps in the structure X is most likely digestion of the sugar sucrose. In this diagram, (1) a molecule of oxygen (2) the end product (3) an enzyme molecule (4) the sugar 28 Tonic 2: Moments it the diagram of an enzyme-controlled cushing on your knowledge of biology. reaction - 34. Explain what is lagram. Use thing Steps 1: the following diagram. Use D, and E-to help you with your of your answer, indicate whickplanatics represent the enzyme and the product. 35. Is this reaction an illustration of synthesis or digestion? Support your answer.[1] 36. Explain why heating these molecules might __ the rate at which this reaction occurs? [1] Base your answers to questions 37 through 410 the diagram and data table below and on your knowledge of biology. A student is studying the effect of temperature on the action of a protein-digesting enzyme that's contained in stomach fluid An investigation isset up using five identical test tubes. Each test tube contains 40 milliliters of stomach fluid 40 mLd as well as a 20-millimeter glass tube filled with cooked gastrict egg white, as shown in the Glass tub diagram. After 48 hours the contain amount of egg white digested egg whit in each tube was measured. The data collected are shown in the following table. 37. Identify the independent variable in this investigation. (1) gastric fluid (2) length of glass tubing temperature (4)time

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30. The enzyme salivary amylase will act on starch but not on protein. This action illustrates that salivary amylaseStep: To determine what the action of salivary amylase on starch but not on protein illustrates, we need to understand the nature of enzyme activity.Answer: (2) is chemically specificEnzymes are chemically specific, meaning they will only act on specific substrates due to the shape of their active site. Since salivary amylase acts on starch and not protein, it shows that it is specific to its substrate, which in this case is starch.31. Which change would not affect the relative rate of action of enzyme \(X\)?Step: To determine which change would not affect the enzyme's activity, we need to consider the typical behavior of enzymes at different temperatures.Answer: (2) an increase in temperature from \(70^{\circ} \mathrm{C}\) to \(80^{\circ} \mathrm{C}\)Enzymes typically have an optimal temperature range where they function best. Beyond this range, especially at higher temperatures, enzymes can become denatured and lose their functionality. Since the enzyme is already at \(70^{\circ} \mathrm{C}\), which is likely above its optimal temperature, increasing the temperature further to \(80^{\circ} \mathrm{C}\) would not affect the rate because the enzyme is probably already denatured and inactive.32. Enzymes influence chemical reactions in living systems byStep: To determine how enzymes influence chemical reactions, we need to understand the role of enzymes in biochemical processes.Answer: (3) affecting the rate at which reactions occurEnzymes are catalysts that speed up chemical reactions without being consumed in the process. They do not become part of the product, combine with atmospheric gases to form waste products, or absorb water during synthesis and digestion.33. In the diagram, structure \(\mathrm{X}\) is most likelyStep: To determine what structure \(\mathrm{X}\) represents, we need to consider the context of the diagram, which shows the digestion of sucrose.Answer: (3) an enzyme moleculeSince the diagram represents the digestion of sucrose and structure \(\mathrm{X}\) is involved in the process without being consumed, it is most likely an enzyme molecule.34. Explain what is happening during Steps 1 to 3 in the enzyme-controlled reaction.Step: To explain the process, we need to identify the enzyme and product and describe the reaction.Answer: Without the diagram, I cannot provide a specific explanation for Steps 1 to 3. However, typically in an enzyme-controlled reaction, the enzyme (labeled as \(E\)) binds to a substrate (labeled as \(A\)), facilitating a chemical reaction that results in the formation of a product (labeled as \(D\)). The enzyme then releases the product and is free to catalyze another reaction.35. Is this reaction an illustration of synthesis or digestion?Step: To determine if the reaction is synthesis or digestion, we need to understand the nature of the reaction.Answer: Without the diagram, I cannot provide a specific answer. However, if the reaction involves breaking down a larger molecule into smaller ones, it is digestion. If it involves combining smaller molecules to form a larger one, it is synthesis.36. Explain why heating these molecules might affect the rate at which this reaction occurs.Step: To explain the effect of heat on the reaction rate, we need to consider the impact of temperature on enzyme activity.Answer: Heating molecules typically increases the rate at which reactions occur because it increases the kinetic energy of the molecules, leading to more frequent and effective collisions between enzyme and substrate. However, if the temperature is too high, it can denature the enzyme, reducing its activity or stopping the reaction altogether.37. Identify the independent variable in this investigation.Step: The independent variable is the factor that is changed or manipulated by the researcher to observe its effect on the dependent variable.Answer: (3) temperatureIn this investigation, the temperature is the factor that is being changed in each test tube to measure its effect on the amount of egg white digested, which is the dependent variable.
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