Question 1

Which of these processes occurs in the cytosol?

Accepted Answer

A) the citric acid cycle 
B) glycolysis 
C) the electron transport system 
D) the preparatory reaction 
A) the citric acid cycle 
B) glycolysis 
C) the electron transport system 
D) the preparatory reaction

Question 2

The preparatory reaction breaks

Accepted Answer

A) glucose into pyruvates. 
B) pyruvates into glucose. 
C) pyruvates into acetyl-CoA and carbon dioxide. 
D) pyruvates into acetyl-CoA and water. 
E) acetyl CoA into pyruvates and carbon dioxide. 
A) glucose into pyruvates. 
B) pyruvates into glucose. 
C) pyruvates into acetyl-CoA and carbon dioxide. 
D) pyruvates into acetyl-CoA and water. 
E) acetyl CoA into pyruvates and carbon dioxide.

Question 3

Why would an organism utilize alcohol fermentation if it is wasteful of the energy in food molecules and poses a threat of death due to high levels of toxic alcohol?

Accepted Answer

A) The organism can survive short spells of anaerobic conditions and maintain growth and reproduction. 
B) If glucose levels are not high,there may be time to disperse the alcohol "waste." 
C) Fermentation can provide a rapid burst of ATP since it does not have to go through the full breakdown cycle. 
D) All of the choices are advantages. 
E) None of the choices is an advantage; anaerobes only survive where aerobes cannot. 
A) The organism can survive short spells of anaerobic conditions and maintain growth and reproduction. 
B) If glucose levels are not high,there may be time to disperse the alcohol "waste." 
C) Fermentation can provide a rapid burst of ATP since it does not have to go through the full breakdown cycle. 
D) All of the choices are advantages. 
E) None of the choices is an advantage; anaerobes only survive where aerobes cannot.

Question 4

Each molecule of NADH produced in the mitochondria provides the energy for two ATP molecules.

Accepted Answer

A) True 
 B)False

Question 5

Identify 'd' as the _____

Accepted Answer

A) inner membrane 
B) matrix 
C) cristae 
D) intermembrane space 
E) outer membrane 
A) inner membrane 
B) matrix 
C) cristae 
D) intermembrane space 
E) outer membrane

Question 6

One turn of the citric acid cycle produces

Accepted Answer

A) 2 NADH,FADH2,2 ATP. 
B) 3 NADH,1 FADH2,1 ATP. 
C) 1 NADH,3 FADH2,2 ATP. 
D) 3 NADH,2 FADH2,1 ATP. 
E) 3 NADH,1 FADH2,2 ATP. 
A) 2 NADH,FADH2,2 ATP. 
B) 3 NADH,1 FADH2,1 ATP. 
C) 1 NADH,3 FADH2,2 ATP. 
D) 3 NADH,2 FADH2,1 ATP. 
E) 3 NADH,1 FADH2,2 ATP.

Question 7

Acetyl-CoA is produced from

Accepted Answer

A) pyruvate and a coenzyme. 
B) citric acid and a coenzyme. 
C) ATP and pyruvate. 
D) CO2 and pyruvate. 
E) citric acid and CO2. 
A) pyruvate and a coenzyme. 
B) citric acid and a coenzyme. 
C) ATP and pyruvate. 
D) CO2 and pyruvate. 
E) citric acid and CO2.

Question 8

Degradative reactions

Accepted Answer

A) cause death. 
B) can drive anabolism. 
C) tend to be endergonic. 
D) include the buildup of products such as complex proteins and nucleic acids. 
E) All of the choices are true. 
A) cause death. 
B) can drive anabolism. 
C) tend to be endergonic. 
D) include the buildup of products such as complex proteins and nucleic acids. 
E) All of the choices are true.

Question 9

Glycolysis produces 1 pyruvate and 3 NADH coenzymes.

Accepted Answer

A) True 
 B)False

Question 10

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Accepted Answer

A) 6 & 6 
B) 6 & 3 
C) 3 & 6 
D) 12 & 6 
E) oxaloacetate 
A) 6 & 6 
B) 6 & 3 
C) 3 & 6 
D) 12 & 6 
E) oxaloacetate

Question 11

Which statement is correct about the input and output of carbon during glycolysis?

Accepted Answer

A) there is an input of 6 carbons (glucose)and an output of 6 carbons (2 pyruvates) 
B) there is an input of 6 carbons (2 pyruvates)and an output of 6 carbons (1 glucose) 
C) there is an input of 6 carbons (glucose)and an output of 6 carbons (6 CO2) 
D) there is an input of 3 carbons (glucose)and an output of 3 carbons (pyruvate) 
A) there is an input of 6 carbons (glucose)and an output of 6 carbons (2 pyruvates) 
B) there is an input of 6 carbons (2 pyruvates)and an output of 6 carbons (1 glucose) 
C) there is an input of 6 carbons (glucose)and an output of 6 carbons (6 CO2) 
D) there is an input of 3 carbons (glucose)and an output of 3 carbons (pyruvate)

Question 12

Compared with other cell components (organelles,cell membrane or nucleus),the mitochondria would be the only one that would

Accepted Answer

A) form an electrochemical gradient across a membrane. 
B) use significant amounts of oxygen to produce ATP. 
C) use a chemiosmotic complex to produce ATP. 
D) produce ATP via glycolysis. 
E) release protons (H+). 
A) form an electrochemical gradient across a membrane. 
B) use significant amounts of oxygen to produce ATP. 
C) use a chemiosmotic complex to produce ATP. 
D) produce ATP via glycolysis. 
E) release protons (H+).

Question 13

h   Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to place the items in proper order.

Accepted Answer

A) A is Electron transport chain; B is Pyruvate; C is Citric acid cycle 
B) A is Citric acid cycle; B is Electron transport chain; C is Pyruvate 
C) A is Pyruvate; B is Citric acid cycle; C is Electron transport chain 
A) A is Electron transport chain; B is Pyruvate; C is Citric acid cycle 
B) A is Citric acid cycle; B is Electron transport chain; C is Pyruvate 
C) A is Pyruvate; B is Citric acid cycle; C is Electron transport chain

Question 14

Glycolysis will yield a net of 2 ATP only during aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 15

h   Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to match the substrates with the corresponding pathway.

Accepted Answer

A) A is glycerol; B is amino acids; C is glucose; D is fatty acids 
B) A is glucose; B is fatty acids; C is glycerol; D is amino acids 
C) A is amino acids; B is fatty acids; C is glucose; D is glycerol 
D) A is amino acids; B is glucose; C is glycerol; D is fatty acids 
A) A is glycerol; B is amino acids; C is glucose; D is fatty acids 
B) A is glucose; B is fatty acids; C is glycerol; D is amino acids 
C) A is amino acids; B is fatty acids; C is glucose; D is glycerol 
D) A is amino acids; B is glucose; C is glycerol; D is fatty acids

Question 16

The carbon dioxide we exhale is produced in

Accepted Answer

A) glycolysis. 
B) the electron transport system. 
C) lactate fermentation. 
D) the citric acid cycle. 
A) glycolysis. 
B) the electron transport system. 
C) lactate fermentation. 
D) the citric acid cycle.

Question 17

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Accepted Answer

A) 6 & 6 
B) 6 & 3 
C) 3 & 6 
D) 12 & 6 
E) oxaloacetate 
A) 6 & 6 
B) 6 & 3 
C) 3 & 6 
D) 12 & 6 
E) oxaloacetate

Question 18

Chloroplast are capable of running photosynthesis which is the most abundant form of anabolic metabolism in life.

Accepted Answer

A) True 
 B)False

Question 19

Aerobic cellular respiration yields about ____ of the energy of glucose in ATP molecules.

Accepted Answer

A) 2% 
B) 15% 
C) 28% 
D) 39% 
A) 2% 
B) 15% 
C) 28% 
D) 39%

Question 20

Identify 'c' as the _____

Accepted Answer

A) inner membrane 
B) matrix 
C) cristae 
D) intermembrane space 
E) outer membrane 
A) inner membrane 
B) matrix 
C) cristae 
D) intermembrane space 
E) outer membrane

Exam 8: Cellular Respiration

Which of these processes occurs in the cytosol?

The preparatory reaction breaks

Why would an organism utilize alcohol fermentation if it is wasteful of the energy in food molecules and poses a threat of death due to high levels of toxic alcohol?

Each molecule of NADH produced in the mitochondria provides the energy for two ATP molecules.

Identify 'd' as the _____

One turn of the citric acid cycle produces

Acetyl-CoA is produced from

Degradative reactions

Glycolysis produces 1 pyruvate and 3 NADH coenzymes.

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Which statement is correct about the input and output of carbon during glycolysis?

Compared with other cell components (organelles,cell membrane or nucleus),the mitochondria would be the only one that would

h Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to place the items in proper order.

Glycolysis will yield a net of 2 ATP only during aerobic respiration.

h Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to match the substrates with the corresponding pathway.

The carbon dioxide we exhale is produced in

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Chloroplast are capable of running photosynthesis which is the most abundant form of anabolic metabolism in life.

Aerobic cellular respiration yields about ____ of the energy of glucose in ATP molecules.

Identify 'c' as the _____

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

Filters

During glycolysis _ carbons will enter the pathway but _ carbons will leave in the form of pyruvates.

During glycolysis _ carbons will enter the pathway but _ carbons will leave in the form of pyruvates.