Question 1

Fermentation is the process that produces bubbles of carbon dioxide that makes bread dough rise.

Accepted Answer

A) True 
 B)False  True

Question 2

The breakdown of glucose in cellular respiration is a catabolic reaction.

Accepted Answer

A) True 
 B)False  True

Question 3

The first phase of aerobic cellular respiration is:

Accepted Answer

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

Question 4

Which process reduces molecular oxygen to water?

Accepted Answer

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

Question 5

Some bacteria are strict aerobes and others are strict anaerobes.Some bacteria,however,are facultative anaerobes and can live with or without oxygen.If given the choice of using oxygen or not,which pathway should a facultative anaerobe perform?

Accepted Answer

A) Use oxygen since aerobic metabolism provides more ATP per molecule of carbohydrate broken down than anaerobic metabolism. 
B) Not use oxygen since it is a facultative anaerobe,it doesn't tolerate oxygen well. 
C) Use oxygen because aerobic metabolism is easier. 
D) It doesn't matter; both processes will produce the same results. 
A) Use oxygen since aerobic metabolism provides more ATP per molecule of carbohydrate broken down than anaerobic metabolism. 
B) Not use oxygen since it is a facultative anaerobe,it doesn't tolerate oxygen well. 
C) Use oxygen because aerobic metabolism is easier. 
D) It doesn't matter; both processes will produce the same results.

Question 6

The final electron acceptor in glycolysis is oxygen and this step will occur within the matrix of the mitochondria.

Accepted Answer

A) True 
 B)False

Question 7

Which process produces both NADH and FADH2?

Accepted Answer

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

Question 8

The correct sequence for aerobic metabolic breakdown of glucose is

Accepted Answer

A) glycolysis-preparatory reaction--cirtric acid cycle--electron transport system 
B) preparatory reaction--glycolysis---electron transport--citric acid cycle 
C) electron transport system--citric acid cycle---preparatory reaction--glycolysis 
D) None of the choices are correct. 
A) glycolysis-preparatory reaction--cirtric acid cycle--electron transport system 
B) preparatory reaction--glycolysis---electron transport--citric acid cycle 
C) electron transport system--citric acid cycle---preparatory reaction--glycolysis 
D) None of the choices are correct.

Question 9

Which process produces alcohol or lactate?

Accepted Answer

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

Question 10

Complete oxidative breakdown of glucose results in ______ ATP molecules.

Accepted Answer

A) 2 
B) 4 
C) 32 
D) 36 
E) 39 
A) 2 
B) 4 
C) 32 
D) 36 
E) 39

Question 11

Glycolysis occurs before the preparatory reaction and the citric acid cycle.

Accepted Answer

A) True 
 B)False

Question 12

For fatty acids to enter the citric acid cycle of aerobic respiration,the fatty acids must be:

Accepted Answer

A) deaminated. 
B) combined with glycerol. 
C) combined with ATP. 
D) converted to acetyl groups. 
E) converted into five-carbon sugars. 
A) deaminated. 
B) combined with glycerol. 
C) combined with ATP. 
D) converted to acetyl groups. 
E) converted into five-carbon sugars.

Question 13

Some desert beetles can live out their life without ever drinking liquid water.They survive on "metabolic water," which

Accepted Answer

A) was produced as water in the organisms they eat and is retained,never to pass out of the cell membrane. 
B) is absorbed from the air along with respiratory oxygen. 
C) is formed as a result of the reduction of oxygen as the final electron acceptor from the electron transport chain. 
D) is a breakdown product from glycolysis in the cytoplasm. 
E) is an original storehouse of water that is never allowed to pass out the cell membrane. 
A) was produced as water in the organisms they eat and is retained,never to pass out of the cell membrane. 
B) is absorbed from the air along with respiratory oxygen. 
C) is formed as a result of the reduction of oxygen as the final electron acceptor from the electron transport chain. 
D) is a breakdown product from glycolysis in the cytoplasm. 
E) is an original storehouse of water that is never allowed to pass out the cell membrane.

Question 14

The electron transport chain and chemiosmosis produces ______ ATP from each NADH and/or _________ ATP from each FADH2 entering the system.

Accepted Answer

A) 4; 2 
B) 3; 2 
C) 2; 4 
D) 2; 3 
A) 4; 2 
B) 3; 2 
C) 2; 4 
D) 2; 3

Question 15

Adult humans cannot synthesize _____ out of the _____ common amino acids.

Accepted Answer

A) eleven; twenty 
B) nine; eleven 
C) nine; twenty 
D) any; twenty 
E) half; all 
A) eleven; twenty 
B) nine; eleven 
C) nine; twenty 
D) any; twenty 
E) half; all

Question 16

Fermentation follows glycolysis in some cells when oxygen is not available.

Accepted Answer

A) True 
 B)False

Question 17

The first reaction in the citric acid cycle is binding

Accepted Answer

A) carbon dioxide to a four-carbon (C4)molecule. 
B) carbon dioxide to a five-carbon (C5)molecule. 
C) acetyl-CoA to a C5 molecule. 
D) acetyl-CoA to a C4 molecule. 
A) carbon dioxide to a four-carbon (C4)molecule. 
B) carbon dioxide to a five-carbon (C5)molecule. 
C) acetyl-CoA to a C5 molecule. 
D) acetyl-CoA to a C4 molecule.

Question 18

Identify 'b' 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 19

What is the correct summary for the energy investment vs.energy harvesting steps of glycolysis?

Accepted Answer

A) 2 ATP are invested and 4 ATP are harvested to produce a net gain of 2 ATP 
B) 4 ATP are invested and 6 ATP are harvested to produce a net gain of 2 ATP 
C) no ATP are invested and 2 ATP are harvested to produce a net gain of 2 ATP 
D) 2 ATP are invested and no ATP are harvested to produce a net loss of 2 ATP 
A) 2 ATP are invested and 4 ATP are harvested to produce a net gain of 2 ATP 
B) 4 ATP are invested and 6 ATP are harvested to produce a net gain of 2 ATP 
C) no ATP are invested and 2 ATP are harvested to produce a net gain of 2 ATP 
D) 2 ATP are invested and no ATP are harvested to produce a net loss of 2 ATP

Question 20

The amino acids we cannot synthesize are called _____ because we _____.

Accepted Answer

A) unnecessary; therefore do not need them 
B) limiting; must include them in our diet 
C) anabolic; must use alternative amino acids 
D) essential; must include them in our diet 
E) superfluous; must survive without them 
A) unnecessary; therefore do not need them 
B) limiting; must include them in our diet 
C) anabolic; must use alternative amino acids 
D) essential; must include them in our diet 
E) superfluous; must survive without them

Exam 8: Cellular Respiration

Fermentation is the process that produces bubbles of carbon dioxide that makes bread dough rise.

The breakdown of glucose in cellular respiration is a catabolic reaction.

The first phase of aerobic cellular respiration is:

Which process reduces molecular oxygen to water?

Some bacteria are strict aerobes and others are strict anaerobes.Some bacteria,however,are facultative anaerobes and can live with or without oxygen.If given the choice of using oxygen or not,which pathway should a facultative anaerobe perform?

The final electron acceptor in glycolysis is oxygen and this step will occur within the matrix of the mitochondria.

Which process produces both NADH and FADH2?

The correct sequence for aerobic metabolic breakdown of glucose is

Which process produces alcohol or lactate?

Complete oxidative breakdown of glucose results in ______ ATP molecules.

Glycolysis occurs before the preparatory reaction and the citric acid cycle.

For fatty acids to enter the citric acid cycle of aerobic respiration,the fatty acids must be:

Some desert beetles can live out their life without ever drinking liquid water.They survive on "metabolic water," which

The electron transport chain and chemiosmosis produces ______ ATP from each NADH and/or _________ ATP from each FADH2 entering the system.

Adult humans cannot synthesize _____ out of the _____ common amino acids.

Fermentation follows glycolysis in some cells when oxygen is not available.

The first reaction in the citric acid cycle is binding

Identify 'b' as the _____

What is the correct summary for the energy investment vs.energy harvesting steps of glycolysis?

The amino acids we cannot synthesize are called _____ because we _____.

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

Which process produces both NADH and FADH₂?

The electron transport chain and chemiosmosis produces ATP from each NADH and/or ___ ATP from each FADH₂ entering the system.

Adult humans cannot synthesize _ out of the _ common amino acids.

The amino acids we cannot synthesize are called _ because we _.