Home > 8: An Introduction to Metabolism > Activities Quiz
 
 
Chapter 8: An Introduction to Metabolism
 
Activities Quiz
 

Activities Quiz


1 .       Which of these is exhibiting kinetic energy? (Activity: Energy Transformations) 

 a rock on a mountain ledge
 the high-energy phosphate bonds of a molecule of ATP
 a person sitting on a couch while watching TV
 an archer with a flexed bow
 a space station orbiting Earth
2 .       "Conservation of energy" refers to the fact that _____. (Activity: Energy Transformations) 

 the entropy of the universe is always increasing
 if you conserve energy you will not be as tired
 the net amount of disorder is always increasing
 no chemical reaction is 100 percent efficient
 energy cannot be created or destroyed but can be converted from one form to another
3 .       Chemical energy is a form of _____ energy. (Activity: Energy Transformations) 

 kinetic energy
 heat energy
 potential
 motion
 entropic
4 .       In your body, what process converts the chemical energy found in glucose into the chemical energy found in ATP? (Activity: Energy Transformations) 

 potentiation
 cellular respiration
 digestion
 anabolism
 redox
5 .       Which of these are by-products of cellular respiration? (Activity: Energy Transformations) 

 ATP, carbon dioxide, and water
 glucose, carbon dioxide, and water
 ATP and carbon dioxide
 heat, carbon dioxide, and water
 carbon dioxide and water
6 .       Which of these is ATP? (Activity: The Structure of ATP) 

 

 

 

 

 
7 .       What type of reaction breaks the bonds that join the phosphate groups in an ATP molecule? (Activity: The Structure of ATP) 

 anabolism
 hydrolysis
 dehydration decomposition
 dehydration synthesis
 entropic
8 .       In this reaction _____. (Activity: Chemical Reactions and ATP)

 

 the products have less potential energy than the reactants
 CD is a product
 entropy has decreased
 the products have been rearranged to form reactants
 AC is a reactant
9 .       In this reaction _____. (Activity: Chemical Reactions and ATP)

 

 the chemical energy of the products is greater than that of the reactants
 the kinetic energy of the reactants is less than that of the products
 entropy has decreased
 disorder has decreased
 heat has been released to the environment
10 .       The reaction A --> B + C + heat is released in a(n) _____ reaction. (Activity: Chemical Reactions and ATP) 

 endergonic
 dehydration synthesis
 exergonic
 exchange
 anabolic
11 .       A(n) _____ reaction occurs spontaneously. (Activity: Chemical Reactions and ATP) 

 anabolic
 endergonic
 chemical
 exergonic
 kinetic
12 .       Which of these reactions requires a net input of energy from its surroundings? (Activity: Chemical Reactions and ATP) 

 exergonic
 hydrolysis
 endergonic
 ATP --> ADP + P
 catabolic
13 .       In cells, what is usually the immediate source of energy for an endergonic reaction? (Activity: Chemical Reactions and ATP) 

 glucose
 as spontaneous reactions, endergonic reactions do not need an addition of energy
 ADP
 ATP
 sugar
14 .       The reaction ADP + P --> ATP is a(n) _____ reaction. (Activity: Chemical Reactions and ATP) 

 hydrolysis
 exergonic
 chemical
 endergonic
 spontaneous
15 .       The energy for an endergonic reaction comes from a(n) _____ reaction. (Activity: Chemical Reactions and ATP) 

 anabolic
 exergonic
 synthesis
 ADP + P --> ATP
 glucose + glucose --> maltose
16 .       What is the fate of the phosphate group that is removed when ATP is converted to ADP? (Activity: Chemical Reactions and ATP) 

 It is acquired by a reactant in an endergonic reaction.
 It is used to convert an ATP into an AQP.
 It is acquired by a reactant in a spontaneous reaction.
 It is acquired by a reactant in an exergonic reaction.
 It is broken down into one phosphorus and four oxygen atoms.
17 .       This graph illustrates a(n) _____ reaction. (Activity: Chemical Reactions and ATP)


 

 spontaneous
 endergonic
 hydrolysis
 exergonic
 catabolic
18 .       Select the INCORRECT association. (Activity: Chemical Reactions and ATP) 

 potential energy ... positional energy
 exergonic ... uphill
 enzyme ... protein
 exergonic ... spontaneous
 kinetic energy ... motion
19 .       What is energy coupling? (Activity: Chemical Reactions and ATP) 

 a description of the energetic relationship between the reactants and products in an exergonic reaction
 the use of an enzyme to reduce EA
 a barrier to the initiation of a reaction
 the use of energy released from an exergonic reaction to drive an endergonic reaction
 the hydrolysis of ATP to ADP + P
20 .       Enzymes are _____. (Activity: How Enzymes Work) 

 carbohydrates
 minerals
 lipids
 nucleic acids
 proteins
21 .       Enzymes work by _____. (Activity: How Enzymes Work) 

 adding a phosphate group to a reactant
 decreasing the potential energy difference between reactant and product
 adding energy to a reaction
 increasing the potential energy difference between reactant and product
 reducing EA
22 .       An enzyme _____. (Activity: How Enzymes Work) 

 is a source of energy for endergonic reactions
 is an organic catalyst
 increases the EA of a reaction
 is a inorganic catalyst
 can bind to nearly any molecule
23 .       What name is given to the reactants in an enzymatically catalyzed reaction? (Activity: How Enzymes Work) 

 EA
 products
 active sites
 reactors
 substrate
24 .       As a result of its involvement in a reaction, an enzyme _____. (Activity: How Enzymes Work) 

 loses a phosphate group
 permanently alters its shape.
 loses energy
 is unchanged
 is used up
25 .       What is the correct label for "A"? (Activity: How Enzymes Work)


 

 ATP
 energy of activation
 substrate energy
 enzyme energy
 uphill





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