Question 1

Fireflies have the ability to convert the energy in ATP to light.Which of the following types of work is performed by the firefly?

Accepted Answer

A) bioluminescent 
B) heat 
C) concentration 
D) electrical 
E) mechanical 
A) bioluminescent 
B) heat 
C) concentration 
D) electrical 
E) mechanical

Question 2

Under the conditions of a given reaction,a positive ΔG' means

Accepted Answer

A) the reaction is spontaneous. 
B) no energy needs to be added. 
C) the reaction is at equilibrium. 
D) work can be done. 
E) the reaction will not occur. 
A) the reaction is spontaneous. 
B) no energy needs to be added. 
C) the reaction is at equilibrium. 
D) work can be done. 
E) the reaction will not occur.

Question 3

Any process that results in an increase in the free energy of the system is called ________.

Accepted Answer

The answer of Any process that results in an increase...

Question 4

Another name for an oxidizing agent is a(n)

Accepted Answer

A) electron acceptor. 
B) electron donor. 
C) reductant. 
D) electropositive metal. 
E) hydride transfer reagent. 
A) electron acceptor. 
B) electron donor. 
C) reductant. 
D) electropositive metal. 
E) hydride transfer reagent.

Question 5

The statement,"The total amount of energy in the universe is constant," is a tenet of

Accepted Answer

A) the first law of thermodynamics. 
B) the second law of thermodynamics. 
C) thermodynamic spontaneity. 
D) entropy. 
E) enthalpy. 
A) the first law of thermodynamics. 
B) the second law of thermodynamics. 
C) thermodynamic spontaneity. 
D) entropy. 
E) enthalpy.

Question 6

You wish to use a bioluminescent marker to follow the movement of a particular protein through a eukaryotic cell.How would you design your experiment to allow you to visualize this movement,and where would you expect to see your protein?

Accepted Answer

Answers will vary.They should contain th

Question 7

Which is not true of phototrophs?

Accepted Answer

A) They capture light energy. 
B) They can be bacteria. 
C) They store energy as glucose. 
D) They never function as autotrophs. 
E) They provide energy for chemotrophs. 
A) They capture light energy. 
B) They can be bacteria. 
C) They store energy as glucose. 
D) They never function as autotrophs. 
E) They provide energy for chemotrophs.

Question 8

Muscle contraction is an example of which of the following types of work?

Accepted Answer

A) heat 
B) mechanical 
C) bioluminescent 
D) electrical 
E) concentration 
A) heat 
B) mechanical 
C) bioluminescent 
D) electrical 
E) concentration

Question 9

A negative free energy change indicates that

Accepted Answer

A) the reaction is not possible. 
B) energy must be added to the reaction before it can proceed. 
C) the reactant is predominant at equilibrium. 
D) the reaction is exothermic. 
E) the reaction is at equilibrium. 
A) the reaction is not possible. 
B) energy must be added to the reaction before it can proceed. 
C) the reactant is predominant at equilibrium. 
D) the reaction is exothermic. 
E) the reaction is at equilibrium.

Question 10

The total energy stored within a system is called the ________.

Accepted Answer

The answer of The total energy stored within a system...

Question 11

Match between columns
                        Premises: phototroph
example of biological work
pressure
endothermic
exothermic
system
chemotroph
endergonic

Accepted Answer

The Answer of an example of a state variable and is...

Question 12

In your own words,describe how energy flows through an ecosystem and how this contributes to a continuous increase in enthalpy.

Accepted Answer

Although answers will vary,they should c

Question 13

Animals that regulate their body temperature independently of the environment are called

Accepted Answer

A) heterotherms. 
B) homeotherms. 
C) poikilotherms. 
D) biotherms. 
E) abiotherms. 
A) heterotherms. 
B) homeotherms. 
C) poikilotherms. 
D) biotherms. 
E) abiotherms.

Question 14

The steady state so vital to life is possible because

Accepted Answer

A) the cell cannot convert energy from one form to another. 
B) all cells are autotrophic. 
C) the cell continually takes up energy from the environment. 
D) all reactions are at equilibrium. 
E) all reactions are exothermic. 
A) the cell cannot convert energy from one form to another. 
B) all cells are autotrophic. 
C) the cell continually takes up energy from the environment. 
D) all reactions are at equilibrium. 
E) all reactions are exothermic.

Question 15

The melting of ice is an example of a(n)___________ process.

Accepted Answer

The answer of The melting of ice is an example...

Question 16

When the ΔG°' of a chemical reaction is positive (K'eq < 1.0)under standard conditions,

Accepted Answer

A) reactants and products are at equilibrium. 
B) work can be done under these conditions. 
C) reactants predominate over products. 
D) the reaction is spontaneous to the right. 
E) the reaction is exothermic. 
A) reactants and products are at equilibrium. 
B) work can be done under these conditions. 
C) reactants predominate over products. 
D) the reaction is spontaneous to the right. 
E) the reaction is exothermic.

Question 17

Which of the following types of work involves a change in position of the cell or a cell structure?

Accepted Answer

A) bioluminescent 
B) electrical 
C) mechanical 
D) synthetic 
E) concentration 
A) bioluminescent 
B) electrical 
C) mechanical 
D) synthetic 
E) concentration

Question 18

The voodoo lily (Sauromatum guttatum)is able to

Accepted Answer

A) utilize metabolic heat. 
B) be pollinated by flies. 
C) emit a foul odor to attract pollinators. 
D) trick the pollinators into thinking it is rotting meat. 
E) all of the above 
A) utilize metabolic heat. 
B) be pollinated by flies. 
C) emit a foul odor to attract pollinators. 
D) trick the pollinators into thinking it is rotting meat. 
E) all of the above

Question 19

A ________ is the amount of energy required to warm 1 gram of water 1 degree Celsius.

Accepted Answer

The answer of A ________ is the amount of energy...

Question 20

Which of the following is a heterotroph?

Accepted Answer

A) grass 
B) a tree 
C) a mushroom 
D) a geranium 
E) a cyanobacterium 
A) grass 
B) a tree 
C) a mushroom 
D) a geranium 
E) a cyanobacterium

Exam 5: Bioenergetics: the Flow of Energy in the Cell

Fireflies have the ability to convert the energy in ATP to light.Which of the following types of work is performed by the firefly?

Under the conditions of a given reaction,a positive ΔG' means

Any process that results in an increase in the free energy of the system is called ________.

Another name for an oxidizing agent is a(n)

The statement,"The total amount of energy in the universe is constant," is a tenet of

You wish to use a bioluminescent marker to follow the movement of a particular protein through a eukaryotic cell.How would you design your experiment to allow you to visualize this movement,and where would you expect to see your protein?

Which is not true of phototrophs?

Muscle contraction is an example of which of the following types of work?

A negative free energy change indicates that

The total energy stored within a system is called the ________.

In your own words,describe how energy flows through an ecosystem and how this contributes to a continuous increase in enthalpy.

Animals that regulate their body temperature independently of the environment are called

The steady state so vital to life is possible because

The melting of ice is an example of a(n)___________ process.

When the ΔG°' of a chemical reaction is positive (K'eq < 1.0)under standard conditions,

Which of the following types of work involves a change in position of the cell or a cell structure?

The voodoo lily (Sauromatum guttatum)is able to

A ________ is the amount of energy required to warm 1 gram of water 1 degree Celsius.

Which of the following is a heterotroph?

A Preview of the Cell

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Enzymes: the Catalysts of Life

Membranes: Their Structure, function, and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

Phototrophic Energy Metabolism: Photosynthesis

The Endomembrane System and Peroxisomes

Signal Transduction Mechanisms: Ielectrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Iimessengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesions, cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, chromosomes, and the Nucleus

The Cell Cycle, DNA Replication, and Mitosis

Sexual Reproduction, meiosis, and Genetic Recombination

Gene Expression: Ithe Genetic Code and Transcription

Gene Expression: Iiprotein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

Filters