ATI TEAS 7 PRACTICE QUESTIONS AND ANSWERS
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1) Chemical bonding – a. Uses electrons that are closest to the nucleus of the atoms bonding b. Always uses electrons from only of the atoms involved Uses the valence electrons of all the atoms invo ... lved c. Uses all the electrons in all atoms involved d. 2) Which of the following would have the most dramatic effect in changing the reaction rate? a. Decreasing the temperature by two-fold Decreasing the activation energy by three-fold b. Increasing the pressure by two-fold c. d. Decreasing the concentration of reactants by two-fold 3) Group one in the periodic table has valence electrons and is reactive than Group two. a. Zero; more b. Zero; c. One; less less d. One; more 4) Enzymes are created from amino acid chains. As such, what might prevent the action of an enzyme? a. A pH close to 7 A high temperature b. c. The lack of hydrogen ions in solution d. A lack of ATP in the cell [Show More]
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