Question 1

While swimming in a school, a fish is most likely using _______ muscles.

Accepted Answer

A)  slow oxidative 
B)  fast glycolytic 
C)  a combination of oxidative and glycolytic 
D)  fast glycolytic first and after few seconds slow oxidative 
A)  slow oxidative 
B)  fast glycolytic 
C)  a combination of oxidative and glycolytic 
D)  fast glycolytic first and after few seconds slow oxidative

Question 2

Which statement regarding anoxia is false?

Accepted Answer

A)  During anoxia, there is less oxygen available than the tissue demands. 
B)  During anoxia, vertebrates rely on anaerobic catabolism. 
C)  During anoxia, vertebrates generate a large amount of lactic acid. 
D)  During anoxia, vertebrates excrete excess lactic acid. 
A)  During anoxia, there is less oxygen available than the tissue demands. 
B)  During anoxia, vertebrates rely on anaerobic catabolism. 
C)  During anoxia, vertebrates generate a large amount of lactic acid. 
D)  During anoxia, vertebrates excrete excess lactic acid.

Question 3

The enzyme _______ is required to convert glucose to glucose-6-phosphate.

Accepted Answer

A)  hexokinase 
B)  phosphofructokinase 
C)  pyruvate kinase 
D)  isomerase 
A)  hexokinase 
B)  phosphofructokinase 
C)  pyruvate kinase 
D)  isomerase

Question 4

During sustained muscular work in humans, the use of fatty acids as an energy source

Accepted Answer

A)  increases. 
B)  decreases. 
C)  does not change. 
D)  increases first and then decreases after 2 hours. 
A)  increases. 
B)  decreases. 
C)  does not change. 
D)  increases first and then decreases after 2 hours.

Question 5

Which molecule does not participate in proton pumping in the mitochondria?

Accepted Answer

A)  NADH-Q oxidoreductase 
B)  Succinate dehydrogenase 
C)  Cytochrome oxidase 
D)  ATP synthase 
A)  NADH-Q oxidoreductase 
B)  Succinate dehydrogenase 
C)  Cytochrome oxidase 
D)  ATP synthase

Question 6

Which molecule is not generated when phosphagens are used?

Accepted Answer

A)  Creatine 
B)  Arginine 
C)  ATP 
D)  ADP 
A)  Creatine 
B)  Arginine 
C)  ATP 
D)  ADP

Question 7

Name and state the function(s) of four of the six proteins in the inner mitochondrial membrane that play a role in ATP synthesis.

Accepted Answer

Answers will vary and could include four

Question 8

What effect would consumption of cytochrome c oxidase inhibitor have on an animal?

Accepted Answer

A)  The Krebs cycle would accelerate 
B)  The electron transport chain would be halted 
C)  NADH recycling to NAD+ would accelerate 
D)  FADH2 recycling will be directly inhibited 
A)  The Krebs cycle would accelerate 
B)  The electron transport chain would be halted 
C)  NADH recycling to NAD+ would accelerate 
D)  FADH2 recycling will be directly inhibited

Question 9

Choose the situation that uses the most ATP.

Accepted Answer

A)  walking for 5 km 
B)  jogging slowly for 5 km 
C)  running quickly for 5 km 
D)  sprinting 200 m 
A)  walking for 5 km 
B)  jogging slowly for 5 km 
C)  running quickly for 5 km 
D)  sprinting 200 m

Question 10

The enzyme _______ is needed to convert phosphoenolpyruvic acid to pyruvic acid.

Accepted Answer

A)  hexokinase 
B)  phosphofructokinase 
C)  glyceraldehyde-3-phosphate dehydrogenase 
D)  pyruvate kinase 
A)  hexokinase 
B)  phosphofructokinase 
C)  glyceraldehyde-3-phosphate dehydrogenase 
D)  pyruvate kinase

Question 11

A blocker that inhibits creatine kinase would halt

Accepted Answer

A)  glycolysis. 
B)  the citric acid cycle. 
C)  phosphagen production. 
D)  pyruvate oxidation. 
A)  glycolysis. 
B)  the citric acid cycle. 
C)  phosphagen production. 
D)  pyruvate oxidation.

Question 12

Which molecule oxidizes FADH2?

Accepted Answer

A)  NADH-Q oxidoreductase 
B)  Succinate dehydrogenase 
C)  Cytochrome b-c1 
D)  Cytochrome oxidase 
A)  NADH-Q oxidoreductase 
B)  Succinate dehydrogenase 
C)  Cytochrome b-c1 
D)  Cytochrome oxidase

Question 13

A fish suddenly has to swim in order to escape a predator. This type of activity is considered _____ and uses ATP molecules that are _____ compared to slowly swimming fish.

Accepted Answer

A)  sustained exercise; fundamentally the same 
B)  sustained exercise; fundamentally different 
C)  burst exercise; fundamentally the same 
D)  burst exercise; fundamentally different 
A)  sustained exercise; fundamentally the same 
B)  sustained exercise; fundamentally different 
C)  burst exercise; fundamentally the same 
D)  burst exercise; fundamentally different

Question 14

When a glucose molecule is completely hydrolyzed, _______ NADH2 molecules and _______ FADH2 molecules are produced.

Accepted Answer

A)  2; 10 
B)  10; 2 
C)  12; 3 
D)  3; 12 
A)  2; 10 
B)  10; 2 
C)  12; 3 
D)  3; 12

Question 15

Blocking lactate dehydrogenase in a cell producing ATP in the absence of oxygen would

Accepted Answer

A)  not affect glycolysis. 
B)  halt the ETC that was functioning. 
C)  halt glycolysis. 
D)  allow two ATP molecules to be produced from each glycolysis cycle. 
A)  not affect glycolysis. 
B)  halt the ETC that was functioning. 
C)  halt glycolysis. 
D)  allow two ATP molecules to be produced from each glycolysis cycle.

Exam 8: Aerobic and Anaerobic Forms of Metabolism

While swimming in a school, a fish is most likely using _______ muscles.

Which statement regarding anoxia is false?

The enzyme _______ is required to convert glucose to glucose-6-phosphate.

During sustained muscular work in humans, the use of fatty acids as an energy source

Which molecule does not participate in proton pumping in the mitochondria?

Which molecule is not generated when phosphagens are used?

Name and state the function(s) of four of the six proteins in the inner mitochondrial membrane that play a role in ATP synthesis.

What effect would consumption of cytochrome c oxidase inhibitor have on an animal?

Choose the situation that uses the most ATP.

The enzyme _______ is needed to convert phosphoenolpyruvic acid to pyruvic acid.

A blocker that inhibits creatine kinase would halt

Which molecule oxidizes FADH2?

A fish suddenly has to swim in order to escape a predator. This type of activity is considered _____ and uses ATP molecules that are _____ compared to slowly swimming fish.

When a glucose molecule is completely hydrolyzed, _______ NADH2 molecules and _______ FADH2 molecules are produced.

Blocking lactate dehydrogenase in a cell producing ATP in the absence of oxygen would

Animals and Environments: Function on the Ecological Stage

Molecules and Cells in Animal Physiology

Genomics, Proteomics, and Related Approaches to Physiology

Physiological Development and Epigenetics

Transport of Solutes and Water

Nutrition, Feeding, and Digestion

Energy Metabolism

The Energetics of Aerobic Activity

Thermal Relations

Food, Energy, and Temperature at Work: The Lives of Mammals in Frigid Places

Neurons

Synapses

Sensory Processes

Nervous System Organization and Biological Clocks

Endocrine and Neuroendocrine Physiology

Reproduction

Integrating Systems at Work: Animal Navigation

Control of Movement

Muscle

Movement and Muscle at Work: Plasticity in Response to Use and Disuse

Introduction to Oxygen and Carbon Dioxide in Physiology

External Respiration: the Physiology of Breathing

Transport of Oxygen and Carbon Dioxide in Body Fluids With an Introduction to Acid- Base Physiology

Circulation

Oxygen, Carbon Dioxide, and Internal Transport at Work: Diving by Marine Mammals

Water and Salt Physiology: Introduction and Mechanisms

Kidneys and Excretion With Notes on Nitrogen Excretion

Water, Salts, and Excretion at Work: Mammals of Deserts and Dry Savannas

Water and Salt Physiology of Animals in Their Environments

Filters

Which molecule oxidizes FADH₂?

A fish suddenly has to swim in order to escape a predator. This type of activity is considered _ and uses ATP molecules that are _ compared to slowly swimming fish.

When a glucose molecule is completely hydrolyzed, _ NADH₂ molecules and _ FADH₂ molecules are produced.