Which Statement Best Explains How Enzymes Speed Up Chemical Reactions – ScienceBiologyHONORS BIO EOC Study Guide 2021 Enzymes This graph represents the energy required as a reaction proceeds. Match the blanks from the figure below with the following term: A. Activation energy with the enzyme B. Activation energy without the enzyme C. Products D. Reactants 29. 27. 30. 28. Reaction progress Choose the best term from the bracket that describes enzymes and their functions the best. 31. Enzymes are (catalysts/analyzers). 32. Enzymes (lower/increase) the activation energy of a reaction. 33. Enzymes (slow down/speed up) the reaction. 34. The molecule that binds the enzyme is called a (ligand/substrate). 35. The place where the molecule binds to the enzyme is called (binding site/active site). Energy
HONORS BIO EOC Study Guide 2021 Enzymes This graph represents the energy required as a reaction proceeds. Match the blanks from the figure below with the following term: A. Activation energy with the enzyme B. Activation energy without the enzyme C. Products D. Reactants 29. 27. 30. 28. Reaction progress Choose the best term from the bracket that describes enzymes and their functions the best. 31. Enzymes are (catalysts/analyzers). 32. Enzymes (lower/increase) the activation energy of a reaction. 33. Enzymes (slow down/speed up) the reaction. 34. The molecule that binds the enzyme is called a (ligand/substrate). 35. The place where the molecule binds to the enzyme is called (binding site/active site). Energy
Which Statement Best Explains How Enzymes Speed Up Chemical Reactions
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Transcribed Caption: HONORS BIO EOC Study Guide 2021 Enzymes This graph represents the energy required as a reaction proceeds. Match the blanks from the figure below with the following term: A. Activation energy with the enzyme B. Activation energy without the enzyme C. Products D. Reactants 29. 27. 30. 28. Reaction progress Choose the best term from the bracket that describes enzymes and their functions the best. 31. Enzymes are (catalysts/analyzers). 32. Enzymes (lower/increase) the activation energy of a reaction. 33. Enzymes (slow down/speed up) the reaction. 34. The molecule that binds the enzyme is called a (ligand/substrate). 35. The place where the molecule binds to the enzyme is called (binding site/active site). Energy
Need a deep dive into the concept behind this app? Look no further. Learn more about this topic, biology, and related others by exploring similar questions and additional content below. Correct. The cytosolic surface of the rough ER is covered by ribosomes that synthesize proteins that are then transported to the rough ER, then to the Golgi complex, and finally out of the cell.
A group of mutations, known as MT-ND1, has been identified in mitochondrial DNA. These mutations are associated with a number of debilitating diseases that result from the production of non-functional proteins in the mitochondria.
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The cell is able to synthesize proteins, but the proteins will not fold properly and will not contain the correct molecular markers for export from the cell.
Correct. The electron transport chain and ATP production are associated with proteins in the mitochondrial inner membrane. Non-functional proteins in the mitochondrion are likely to result in reduced ATP production.
A researcher studies the various prokaryotic and eukaryotic species floating in a water sample taken from a marine ecosystem.
Correct. Ribosomes are found in all forms of life, making it possible to compare the widest possible variety of plankton species.
Answered: Honors Bio Eoc Study Guide 2021 Enzymes…
In an experiment, scientists gave a radiolabeled amino acid to living plant cells. After one hour, the researchers determined the amount of radiolabeled amino acid that was in each of several subcellular compartments. The results of the experiment are presented in the table.
Which of the following conclusions about the radiolabeled amino acid is best supported by the results of the experiment?
Correct. Amino acids are the building blocks of proteins, and the data indicated that most of the radiolabeled amino acid was in the mitochondria. The data therefore support the conclusion that most of the amino acid molecules are incorporated into proteins that regulate and control the metabolic reactions occurring in mitochondria.
Researchers conducted an experiment to investigate the effects of a valinomycin treatment on skeletal muscle cells. Valinomycin is a natural substance that can be used as a medicine. The results of the experiment are presented in the table.
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Which of the following statements about the effects of the valinomycin treatment is best supported by the data in the table?
Correct. The data suggest that the valinomycin treatment caused a decrease in the relative rate of ATP production, which is likely due to impaired mitochondrial function.
In an experiment, researchers compared the growth of two different plants, plant X and plant Y. The researchers kept the plants under almost identical conditions and observed that plant X grew faster than plant Y. The researchers also observed that the inner mitochondrial membranes of plant X had more folds than the plants Y.
Which of the following conclusions about the increasing number of folds in the inner mitochondrial membrane is best supported by experimental results?
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Correct. The increased surface area of the folds will contain more ATP synthase, allowing more efficient use of the chemiosmotic gradient and more efficient production of ATP. The observation that plant X grew faster than plant Y supports this conclusion.
Correct. Calculation of area to volume is 6010=6. Of the four cells, this one has the highest surface area to volume ratio and is likely to be the most efficient at exchanging material.
Hereditary spherocytosis (HS) = disorder in red blood cells that causes the cells to become smaller and spherical. Average diameter of normal red blood cells = 7.2 μm, and average diameter of red blood cells in a person with HS = 6.7 μm. Normal red blood cells = average surface area of 136μm2 & average volume of 91μm3.
Give an accurate calculation of the surface area to volume ratio of HS RBCs as well as a prediction of its effect on the efficient transfer of oxygen compared to normal RBCs?
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Correct. The correct calculation of the surface area to volume ratio for the HS cell is 0.89. This ratio is less than the ratio found in a normal red blood cell, 1.49, so the cell will be less efficient at transferring oxygen.
Researchers have found that the stomatal density on the leaves of a plant species changes as the concentration of CO2 in the atmosphere changes. Grown at 350 ppm CO2 plant = average density of 300 stomata per mm2, but when grown at 400 ppm CO2 the plant has an average density of 250 stomata per mm2.
Describe how the ratio of density of stomata (stomata per mm2) per CO2 concentration (ppm CO2) changes as the CO2 concentration increases?
Correct. The ratio of 300 stomata per mm2 to 350 ppm CO2 is 0.86, and the ratio of 250 stomata per mm2 to 400 ppm CO2 is 0.63. This reflects that fewer stomata are required when the concentration of CO2 increases.
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Testosterone is a small steroid hormone important in cell signaling. Which of the following indicates where testosterone enters a cell and why it can cross at that point?
Correct. Steroids such as testosterone are hydrophobic lipids. Therefore, testosterone can cross the hydrophobic inner region of the phospholipid bilayer.
Based on the figure, which of the following statements best describes the relationship between regions 1 and 2 of the protein?
Region 1 is hydrophilic because it interacts with the interior of the membrane, while region 2 is hydrophobic because it interacts with an aqueous environment.
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Region 1 is hydrophilic because it interacts with an aqueous environment, whereas
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