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BIOL 1000 practice questions

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BIOL 1000
Nicole Nivillac

These review questions are for the Bio 1 energy and metabolism topic These questions were adapted from several sources including the textbooks review questionsMultiple choice review questions1 Which of the following is the definition of metabolismA Metabolism is the harvesting of energy from breaking down ingested foodB Metabolism is an organisms adequate hydrationC Metabolism is all of an organisms moleculesD Metabolism is all the chemical reactions in an organismE Metabolism is the maintenance of adequate temperature in an organism2 Which term most precisely describes the cellular process of breaking down large molecules into smaller onesA catalysisB metabolismC anabolismD dehydrationE catabolism3 What is the term for metabolic pathways that build up larger molecules from smaller moleculesA anabolic pathwaysB catabolic pathwaysC fermentation pathwaysD thermodynamic pathwaysE bioenergetic pathways4 Which of the following is are true for anabolic pathwaysA They do not depend on enzymesB They are usually highly spontaneous chemical reactionsC They usually consume energyD They release energy as they degrade polymers to monomersE They consume energy to decrease the temperature of the organism and its environment5 Which of the following is an example of potential rather than kinetic energyA the muscle contractions of a person mowing grassB water rushing over Niagara FallsC light flashes emitted by a fireflyD a book on the top shelf of a book caseE the flight of an insect foraging for food6 Which of the following is true for all exergonic reactionsA The products have more potential energy than the reactantsB The reaction results in a decrease in potential energyC The reaction goes only in a forward direction all reactants will be converted to products but no products will be converted to reactantsD A net input of energy from the surroundings is required for the reactions to proceedE The reactions are rapid7 A chemical reaction where the product molecules have more potential energy than the reactant molecules is correctly described asA endergonicB endothermicC enthalpicD spontaneousE exothermic8 Which of the following statements is true concerning catabolic pathwaysA They combine smaller molecules into larger moleculesB They usually produce energy primarily in the form of ATP for the cells workC They are endergonicD They do not need enzyme catalysisE They build up complex molecules such as protein from simpler compounds9 Nitrous oxide gas molecules which are small and hydrophobic moving directly through a cells plasma membrane from the high concentration side to the low concentration side is an example ofA diffusionB facilitated diffusionC active transportD osmosisE cotransport10 Which of the following would likely move through the lipid bilayer of a plasma membrane most rapidlyA a steroidB an ionic amino acidC glucoseD KE starch
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