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Semester test

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Which of the following statements describes a feature shared by mitochondria and the endoplasmic reticulum that increases the efficiency of their basic functions?   show
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show Enzymatic modification of newly synthesized integral membrane proteins  
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show Rough can synthesize and package proteins for export, and smooth cannot.  
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Based on the model, the newly synthesized protein is transported directly from the endoplasmic reticulum to which of the following?   show
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show The inner membrane of the mitochondria in muscle cells should have more folds to increase the surface area, allowing more to be synthesized.  
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show A membrane protein binds a specific molecule outside of the cell and moves the molecule into the cell where there is already a high concentration of the molecule compared with the outside.  
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Which of the following best explains how the extensive folding of the inner mitochondrial membrane benefits a eukaryotic cell?   show
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show Fewer lysosomes will be available to break down macromolecules to provide the necessary nutrients for cellular respiration.  
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show The internal of the lysosomes will increase, which will prevent the activation of hydrolytic enzymes and interfere with the intracellular digestion of food.  
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show Osmosis  
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show It would gain mass.  
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show Which molecular substance is actively transported across the plasma membrane?  
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Intravenous (IV) solutions administered to patients are normally isotonic. Which of the following is most likely if an IV of distilled water is administered to a patient?   show
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Which of the following best predicts which diagrammed microscope view the laboratory worker would see and best explains why?   show
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Which of the following experimental designs will result in the fastest net rate of water movement into chamber A?   show
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show 4  
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show The person would produce greater amounts of dilute urine.  
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show The enzyme’s active site binds to and stabilizes the transition state, which the activation energy of the reaction.  
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show Competitive inhibition will decrease because the proportion of the active sites occupied by substrate will increase.  
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show Rough can synthesize and package proteins for export, and smooth cannot.  
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Which of the following best describes the numbered areas?   show
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Which statement best explains the orientation of the phospholipid molecules in this model?   show
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Which of the following describes the most likely relationship between transpiration and water intake in the plant?   show
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If ATP breakdown (hydrolysis) is inhibited, which of the following types of movement across cell membranes is also inhibited?   show
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Which of the following data would support the alternative hypothesis?   show
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Which statement best describes the effect on water transport across the cell membrane if the aquaporin in the figure ceases to function?   show
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show Add more of the proteins to the plasma membrane and measure the rate of the particle movement.  
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Which of the following components of the cell membrane is responsible for active transport?   show
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show The drug is a small nonpolar molecule.  
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Which of the following statements is true regarding the movement of substances across cell membranes?   show
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show It would gain mass.  
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Which of the following scientific questions is most relevant to the model represented in the figure above?   show
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show The cells that are exposed to hypotonic solutions will expand as water moves osmotically into the cells from the blood.  
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Which of the following best predicts which diagrammed microscope view the laboratory worker would see and best explains why?   show
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Which of the following experimental designs will result in the fastest net rate of water movement into chamber A?   show
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To model a plant cell, a permeable, nonflexible case is placed around each piece of dialysis tubing. The greatest pressure potential will develop within dialysis tube number   show
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show The person would produce greater amounts of dilute urine.  
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Which of the following statements best helps explain how the enzyme speeds up the reaction?   show
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show Competitive inhibition will decrease because the proportion of the active sites occupied by substrate will increase.  
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show Rough can synthesize and package proteins for export, and smooth cannot.  
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Which of the following best describes the numbered areas?   show
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show The hydrophilic phosphate groups of the phospholipid molecules are attracted to the aqueous internal and external environments.  
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show Transpiration from the leaves of the plant stimulates subsequent water intake by the roots of the plant.  
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show Passage of a solute against its concentration gradient  
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Which of the following data would support the alternative hypothesis?   show
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Which statement best describes the effect on water transport across the cell membrane if the aquaporin in the figure ceases to function?   show
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Which investigation will help determine whether the new membrane protein is a channel protein involved in membrane transport?   show
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Which of the following components of the cell membrane is responsible for active transport?   show
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Which of the following, if true about the drug, best supports the alternative hypothesis that the new drug will exhibit simple diffusion across plasma membranes?   show
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Which of the following statements is true regarding the movement of substances across cell membranes?   show
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Which of the following is the correct explanation for the data?   show
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Which investigation will help determine whether the new membrane protein is a channel protein involved in membrane transport?   show
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Which of the following components of the cell membrane is responsible for active transport?   show
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show The drug is a small nonpolar molecule.  
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Which of the following statements is true regarding the movement of substances across cell membranes?   show
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show The contraction rate increases as the osmolarity decreases because the amount of water entering the paramecia by osmosis increases.  
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Created by: ameliabeth06