Question 1

The metabolism of a cell is the sum of all its chemical reactions. True or False?

Accepted Answer

A) True 
 B)False  True

Question 2

Whenif everdo molecules stop moving?

Accepted Answer

A) at the freezing point (0°
C)  
B) at the boiling point (100°
C)  
C) at absolute zero (-273.15°
C)  
D) never 
A) at the freezing point (0°
C)  
B) at the boiling point (100°
C)  
C) at absolute zero (-273.15°
C)  
D) never C

Question 3

ATP is an energy carrier. Where is the energy actually located?

Accepted Answer

A) attached to the phosphate group 
B) in the bonds between phosphate groups 
C) attached to the nucleotide 
D) inside the phosphate 
E) between the sugar and the phosphate 
A) attached to the phosphate group 
B) in the bonds between phosphate groups 
C) attached to the nucleotide 
D) inside the phosphate 
E) between the sugar and the phosphate B

Question 4

FAD is an example of:

Accepted Answer

A) a protein. 
B) an electron carrier. 
C) an enzyme. 
D) an enzymesubstrate complex. 
E) an active site. 
A) a protein. 
B) an electron carrier. 
C) an enzyme. 
D) an enzymesubstrate complex. 
E) an active site.

Question 5

The enzyme phosphoglucoisomerase catalyzes the conversion of glucose-6-phosphate to fructose-6-phosphate. The region on phosphoglucoisomerase where glucose-6-phosphate binds is called the ________.

Accepted Answer

The answer of The enzyme phosphoglucoisomerase catalyzes the conversion of...

Question 6

The most common energy carrier molecule in living organisms is:

Accepted Answer

A) ATP. 
B) inorganic phosphate. 
C) DNA. 
D) glucose. 
E) NADPH. 
A) ATP. 
B) inorganic phosphate. 
C) DNA. 
D) glucose. 
E) NADPH.

Question 7

How is your body able to counteract the effects of entropy?

Accepted Answer

A) regular exercise 
B) sunbathing 
C) eating a balanced diet 
D) bathing regularly 
E) buffers 
A) regular exercise 
B) sunbathing 
C) eating a balanced diet 
D) bathing regularly 
E) buffers

Question 8

What is the ultimate source of energy for almost all forms of life on Earth?

Accepted Answer

A) heat energy 
B) solar energy 
C) thermal energy 
D) chemical energy 
E) nuclear energy 
A) heat energy 
B) solar energy 
C) thermal energy 
D) chemical energy 
E) nuclear energy

Question 9

Energy transformations are not 100% efficient. Often, energy is released in the form of ________, which is in agreement with the second law of thermodynamics.

Accepted Answer

The answer of Energy transformations are not 100% efficient. Often,...

Question 10

Which of the following does not have much potential energy?

Accepted Answer

A) a water droplet at the top of a waterfall 
B) a glucose molecule 
C) a diver on a springboard 
D) a 9-V battery 
E) a ball that has rolled downhill and stopped 
A) a water droplet at the top of a waterfall 
B) a glucose molecule 
C) a diver on a springboard 
D) a 9-V battery 
E) a ball that has rolled downhill and stopped

Question 11

Why does increasing the temperature of a chemical reaction generally increase the rate of the reaction?

Accepted Answer

Increasing the temperature increases the

Question 12

All of the following statements pertaining to catalysts are true EXCEPT:

Accepted Answer

A) biological catalysts are specific enzymes. 
B) catalysts increase activation energy requirements. 
C) catalysts increase the reaction rate. 
D) catalysts are not permanently altered during reaction. 
E) catalysts can be used over and over again. 
A) biological catalysts are specific enzymes. 
B) catalysts increase activation energy requirements. 
C) catalysts increase the reaction rate. 
D) catalysts are not permanently altered during reaction. 
E) catalysts can be used over and over again.

Question 13

All of the following statements are true of the first law of thermodynamics EXCEPT:

Accepted Answer

A) the amount of useful energy decreases. 
B) the first law of thermodynamics is often called the law of the conservation of energy. 
C) the total amount of energy within an isolated system remains the same. 
D) one form of energy may be converted to a different form of energy. 
A) the amount of useful energy decreases. 
B) the first law of thermodynamics is often called the law of the conservation of energy. 
C) the total amount of energy within an isolated system remains the same. 
D) one form of energy may be converted to a different form of energy.

Question 14

Entropy is a measure of an increase in:

Accepted Answer

A) orderliness. 
B) high-level energy. 
C) potential energy. 
D) randomness. 
E) kinetic energy. 
A) orderliness. 
B) high-level energy. 
C) potential energy. 
D) randomness. 
E) kinetic energy.

Question 15

When a high-energy bond of ATP is broken, primarily what happens to the released energy?

Accepted Answer

A) It is lost as light energy. 
B) It functions as a second messenger. 
C) It polarizes the cell. 
D) It converts inorganic phosphates to energy carrier molecules. 
E) It drives endergonic reactions in the cell. 
A) It is lost as light energy. 
B) It functions as a second messenger. 
C) It polarizes the cell. 
D) It converts inorganic phosphates to energy carrier molecules. 
E) It drives endergonic reactions in the cell.

Question 16

Describe the molecular difference between ATP and ADP.

Accepted Answer

Both ATP and ADP contain an ad

Question 17

The energy of movement is referred to as ________ energy, and stored energy is referred to as ________ energy.

Accepted Answer

The answer of The energy of movement is referred to...

Question 18

The BEST description of a coupled reaction is:

Accepted Answer

A) two reactions that occur simultaneously. 
B) a reaction that occurs right after another reaction. 
C) two reactions that occur in the same organelle. 
D) reactions that occur during sexual reproduction. 
E) two reactions that involve one providing energy for the other. 
A) two reactions that occur simultaneously. 
B) a reaction that occurs right after another reaction. 
C) two reactions that occur in the same organelle. 
D) reactions that occur during sexual reproduction. 
E) two reactions that involve one providing energy for the other.

Question 19

When a muscle cell demands energy to perform its work of contraction, ATP:

Accepted Answer

A) manufactures more ATP. 
B) enters a metabolic pathway. 
C) is broken down. 
D) is phosphorylated. 
E) catalyzes the reaction. 
A) manufactures more ATP. 
B) enters a metabolic pathway. 
C) is broken down. 
D) is phosphorylated. 
E) catalyzes the reaction.

Question 20

The molecule ________ is the major energy carrier in cells.

Accepted Answer

The answer of The molecule ________ is the major energy...

Exam 6: Energy Flow in the Life of a Cell

The metabolism of a cell is the sum of all its chemical reactions. True or False?

Whenif everdo molecules stop moving?

ATP is an energy carrier. Where is the energy actually located?

FAD is an example of:

The enzyme phosphoglucoisomerase catalyzes the conversion of glucose-6-phosphate to fructose-6-phosphate. The region on phosphoglucoisomerase where glucose-6-phosphate binds is called the ________.

The most common energy carrier molecule in living organisms is:

How is your body able to counteract the effects of entropy?

What is the ultimate source of energy for almost all forms of life on Earth?

Energy transformations are not 100% efficient. Often, energy is released in the form of ________, which is in agreement with the second law of thermodynamics.

Which of the following does not have much potential energy?

Why does increasing the temperature of a chemical reaction generally increase the rate of the reaction?

All of the following statements pertaining to catalysts are true EXCEPT:

All of the following statements are true of the first law of thermodynamics EXCEPT:

Entropy is a measure of an increase in:

When a high-energy bond of ATP is broken, primarily what happens to the released energy?

Describe the molecular difference between ATP and ADP.

The energy of movement is referred to as ________ energy, and stored energy is referred to as ________ energy.

The BEST description of a coupled reaction is:

When a muscle cell demands energy to perform its work of contraction, ATP:

The molecule ________ is the major energy carrier in cells.

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

Filters

The energy of movement is referred to as energy, and stored energy is referred to as energy.