Campbell Essential Biology, 5e (Simon/Yeh) Chapter 5 The Working Cell QUWSTIONS WITH ANSWERS

Campbell Essential Biology, 5e (Simon/Yeh) Chapter 5 The Working Cell Multiple-Choice Questions 1) What is energy? A) the capacity to cause movement B) the capacity to cause change C) a measure of calories D) a measure of disorder Answer: B Topic: 5.1 Some Basic Energy Concepts Skill: Knowledge/Comprehension 2) An object at rest has no ______ energy, but it may have ______ energy resulting from its location or structure. A) kinetic... potential B) kinetic... conserved C) potential... kinetic D) stored... potential Answer: A Topic: 5.1 Some Basic Energy Concepts Skill: Knowledge/Comprehension 3) The principle that energy cannot be created or destroyed is known as ______. A) interconversion B) conservation of energy C) conservation of heat D) entropy Answer: B Topic: 5.1 Some Basic Energy Concepts Skill: Knowledge/Comprehension 4) A rock on the top of a mountain contains ______ energy. A) potential B) no C) kinetic D) conserved Answer: A Topic: 5.1 Some Basic Energy Concepts Skill: Knowledge/Comprehension 2 5) You are riding on your bike and stop pedaling, coasting along the road. Eventually, your bike slows down and stops. What happened to the energy of your motion when your bike stopped? A) It was returned to the bicycle. B) It was converted back to chemical energy. C) It was released as heat. D) It was used to chemically break down the tires. Answer: C Topic: 5.1 Some Basic Energy Concepts Skill: Knowledge/Comprehension 6) Which of the following is a measure of randomness in a system? A) entropy B) kinetic energy C) potential energy D) chemical energy Answer: A Topic: 5.1 Some Basic Energy Concepts Skill: Knowledge/Comprehension 7) Glucose molecules provide energy to power the swimming motion of sperm. In this example, the sperm are changing ______. A) chemical energy into kinetic energy B) chemical energy into potential energy C) kinetic energy into potential energy D) kinetic energy into chemical energy Answer: A Topic: 5.1 Some Basic Energy Concepts Skill: Application/Analysis 8) Humans convert approximately ______ of the energy stored in food to useful work. A) 22% B) 34% C) 55% D) 99.9% Answer: B Topic: 5.1 Some Basic Energy Concepts Skill: Knowledge/Comprehension 9) Ten kilocalories are equivalent to ______ calories