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micro test - 1 Allosteric enzymes a b c d e may bind two...

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1. Allosteric enzymes a. may bind two substrates. b. are used to bind to other enzymes. c. have an additional binding site that is involved in regulating enzyme activity. d. are twice as fast as single site enzymes. e. a and d 1. Bacteria that can absorb light energy and convert it into ATP are commonly called a. cytochromes. b. lysosomes. c. chemotrophs. d. phototrophs. e. a and c Biosynthetic reactions that require energy for the conversion of molecular subunits into larger molecules are called a. kinetic energy. b. catabolic reactions. c. precursor molecules. d. anabolic reactions. 1. Chemoorganotrophs 1. Cells degrade sugar largely to a. gain energy. b. use energy. c. convert fat to energy. d. utilize coenzymes. 1. Coenzymes are derivatives of
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a. gain energy. a. b. c. d. 1. Concerning catabolism and anabolism, a. they refer to reactions solely dealing with the metabolism of lipids. b. the intermediates of one serve as the reactants in the other. c. the energy gathered in one is utilized in the other. d. they refer solely to the reactions involved in synthesis of carbohydrates. e. b and c 2. Energy is defined as 2. Experiments designed by ______________ suggested that living cells caused the fermentation of sugar to produce alcohol. a. Pasteur b. Koch c. Wohler d. Fleming 3. Exergonic reactions a. occur when there is more free energy in the products than the reactants. b. occur when there is more free energy in the reactants than the products. c. are defined as a decrease in entropy. d. are chemoorganotrophic. 2. Feedback inhibition
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a. occur when there is more free energy in the products than the reactants. a. b. c. d. e.
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