Question 1

What waste product do yeast produce under anaerobic conditions?

Accepted Answer

A) ethyl alcohol 
B) pyruvic acid 
C) lactic acid 
D) creatine 
A) ethyl alcohol 
B) pyruvic acid 
C) lactic acid 
D) creatine

Question 2

A horse eating some hay is an example of ________.

Accepted Answer

A) an autotroph eating a producer 
B) an autotroph eating a consumer 
C) a consumer eating a producer 
D) a consumer eating a heterotroph 
A) an autotroph eating a producer 
B) an autotroph eating a consumer 
C) a consumer eating a producer 
D) a consumer eating a heterotroph

Question 3

Conclusions drawn from muscle contraction experiments conducted by A.V. Hill

Accepted Answer

A) demonstrated that human muscles work the same as frog muscles. 
B) have been shown to be faulty according to more recent evidence. 
C) demonstrate a flaw in the process of science because the conclusions were wrong. 
D) were based on poorly designed experiments without a control. 
A) demonstrated that human muscles work the same as frog muscles. 
B) have been shown to be faulty according to more recent evidence. 
C) demonstrate a flaw in the process of science because the conclusions were wrong. 
D) were based on poorly designed experiments without a control.

Question 4

A product of glycolysis is ________.

Accepted Answer

A) lactic acid 
B) ethyl alcohol 
C) O2 
D) pyruvic acid 
A) lactic acid 
B) ethyl alcohol 
C) O2 
D) pyruvic acid

Question 5

Respiration describes the exchange of gases between your blood and the air. Cellular respiration ________.

Accepted Answer

A) produces ATP 
B) produces oxygen 
C) produces glucose 
A) produces ATP 
B) produces oxygen 
C) produces glucose

Question 6

Choose the equation that describes aerobic cellular respiration most accurately.

Accepted Answer

A) glucose → lactic acid + energy 
B) energy + carbon dioxide + water → glucose + oxygen + water 
C) glucose + oxygen → carbon dioxide + water + energy 
D) energy + glucose → water + carbon dioxide 
A) glucose → lactic acid + energy 
B) energy + carbon dioxide + water → glucose + oxygen + water 
C) glucose + oxygen → carbon dioxide + water + energy 
D) energy + glucose → water + carbon dioxide

Question 7

The final electron acceptor of aerobic respiration is ________.

Accepted Answer

A) ATP 
B) oxygen 
C) lactic acid 
D) NAD+ 
A) ATP 
B) oxygen 
C) lactic acid 
D) NAD+

Question 8

Plants use photosynthesis to ________.

Accepted Answer

A) store chemical energy, and they use cellular respiration to harvest energy from organic molecules 
B) change light energy into chemical energy as well as to harvest chemical energy 
C) harvest energy from organic molecules, and they use cellular respiration to store chemical energy 
D) turn light energy into sugars 
A) store chemical energy, and they use cellular respiration to harvest energy from organic molecules 
B) change light energy into chemical energy as well as to harvest chemical energy 
C) harvest energy from organic molecules, and they use cellular respiration to store chemical energy 
D) turn light energy into sugars

Question 9

A physician is examining a patient who fatigues easily after walking only a short distance. Tissue examination reveals that certain skeletal muscle cells are missing mitochondria. Laboratory tests are likely also to find ________.

Accepted Answer

A) the muscles contain large amounts of lactic acid following even mild physical exercise 
B) the muscles contain large amounts of carbon dioxide following even mild physical exercise 
C) the muscles require extremely high levels of oxygen to function 
D) the muscle cells cannot split glucose to pyruvic acid 
A) the muscles contain large amounts of lactic acid following even mild physical exercise 
B) the muscles contain large amounts of carbon dioxide following even mild physical exercise 
C) the muscles require extremely high levels of oxygen to function 
D) the muscle cells cannot split glucose to pyruvic acid

Question 10

Which molecule shown in the figure below does NOT begin cellular respiration in the cytoplasm?

Accepted Answer

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

Question 11

ATP synthase plays a role in ________.

Accepted Answer

A) pulling electrons down the electron transport chain 
B) glycolysis 
C) pumping hydrogen ions across the inner mitochondrial membrane 
D) generating ATP 
A) pulling electrons down the electron transport chain 
B) glycolysis 
C) pumping hydrogen ions across the inner mitochondrial membrane 
D) generating ATP

Question 12

The first electron acceptor of cellular respiration is ________.

Accepted Answer

A) CO2 
B) O2 
C) NAD+ 
D) H2O 
A) CO2 
B) O2 
C) NAD+ 
D) H2O

Question 13

Scenario 
An abundant and continual supply of ATP is necessary for all living cells. Toxins, reduced blood flow, and a compromised respiratory system can interfere with the transport of oxygen to active cells. A runner in a marathon faces multiple obstacles to continue to produce sufficient ATP to remain competitive.
-When the circulatory system cannot deliver oxygen fast enough to support a runner's aerobic metabolism, cells switch to an emergency mode in which ________.

Accepted Answer

A) ATP is generated less efficiently by harvesting the heat energy in a cell 
B) ATP is inefficiently produced and lactic acid is generated as a by-product 
C) lactic acid is broken down to produce smaller amounts of ATP 
D) carbon dioxide is joined with water to generate much smaller amounts of ATP 
A) ATP is generated less efficiently by harvesting the heat energy in a cell 
B) ATP is inefficiently produced and lactic acid is generated as a by-product 
C) lactic acid is broken down to produce smaller amounts of ATP 
D) carbon dioxide is joined with water to generate much smaller amounts of ATP

Question 14

Human muscle cells use lactic acid fermentation to ________.

Accepted Answer

A) produce more ATP than is possible through complete aerobic respiration 
B) produce ATP using the electron transport chain 
C) regenerate NADH 
D) produce ATP without O2 
A) produce more ATP than is possible through complete aerobic respiration 
B) produce ATP using the electron transport chain 
C) regenerate NADH 
D) produce ATP without O2

Question 15

-Examine the figure above. Which reactant(s)primarily come(s)from the air?

Accepted Answer

A) water 
B) glucose 
C) carbon dioxide 
D) oxygen and carbon dioxide 
A) water 
B) glucose 
C) carbon dioxide 
D) oxygen and carbon dioxide

Question 16

The waste products of cellular respiration include ________.

Accepted Answer

A) water only 
B) carbon dioxide only 
C) water and carbon dioxide 
D) water and glucose 
A) water only 
B) carbon dioxide only 
C) water and carbon dioxide 
D) water and glucose

Question 17

Where in the cell does glycolysis occur?

Accepted Answer

A) cytoplasm 
B) endoplasmic reticulum 
C) within the fluid just inside the inner mitochondrial membrane 
D) between the inner and outer mitochondrial membrane 
A) cytoplasm 
B) endoplasmic reticulum 
C) within the fluid just inside the inner mitochondrial membrane 
D) between the inner and outer mitochondrial membrane

Question 18

Some friends are trying to make wine in their basement. They've added yeast to a sweet grape juice mixture and have allowed the yeast to grow. After several days, they find that sugar levels in the grape juice have dropped, but there's no alcohol in the mixture. The most likely explanation is that ________.

Accepted Answer

A) the mixture needs more sugar; yeast need a lot of energy before they can begin to produce alcohol 
B) the mixture needs less oxygen; yeast only produce alcohol in the absence of oxygen 
C) the mixture needs more oxygen; yeast need oxygen to break down sugar to produce alcohol 
D) the mixture needs less sugar; high sugar concentrations stimulate cellular respiration, and alcohol is not a by-product of cellular respiration 
A) the mixture needs more sugar; yeast need a lot of energy before they can begin to produce alcohol 
B) the mixture needs less oxygen; yeast only produce alcohol in the absence of oxygen 
C) the mixture needs more oxygen; yeast need oxygen to break down sugar to produce alcohol 
D) the mixture needs less sugar; high sugar concentrations stimulate cellular respiration, and alcohol is not a by-product of cellular respiration

Question 19

Scenario 
 Poultry scientists recorded data to help maximize farmers' yields. They collected data about when in the life of eggs were laid by hens, how many eggs were laid by each hen in a particular age range, the weight of those eggs and the weight of the chicks that eventually hatched from those eggs. Examine the data table to answer the following questions
Egg and Chick Weight from Hens of Different Ages
    
-If an egg were weighed halfway between being laid and hatching, how would you expect that weight to compare to the weight of the newly laid egg?

Accepted Answer

A) The egg would weigh more at this midpoint than when laid because, during development, the chick makes new cells. 
B) The egg would weigh more at this midpoint than when laid because it is taking in oxygen. 
C) The egg would weigh less at this midpoint than when laid because the shell wears away over time. 
D) The egg would weigh less at this midpoint than when laid because some of the mass of the egg would be released through cell respiration. 
A) The egg would weigh more at this midpoint than when laid because, during development, the chick makes new cells. 
B) The egg would weigh more at this midpoint than when laid because it is taking in oxygen. 
C) The egg would weigh less at this midpoint than when laid because the shell wears away over time. 
D) The egg would weigh less at this midpoint than when laid because some of the mass of the egg would be released through cell respiration.

Question 20

-Examine the figure. Which of these stages receive input from more than one other stage?

Accepted Answer

A) glycolysis 
B) citric acid cycle 
C) electron transport 
A) glycolysis 
B) citric acid cycle 
C) electron transport

Exam 6: Cellular Respiration: Obtaining Energy From Food

What waste product do yeast produce under anaerobic conditions?

A horse eating some hay is an example of ________.

Conclusions drawn from muscle contraction experiments conducted by A.V. Hill

A product of glycolysis is ________.

Respiration describes the exchange of gases between your blood and the air. Cellular respiration ________.

Choose the equation that describes aerobic cellular respiration most accurately.

The final electron acceptor of aerobic respiration is ________.

Plants use photosynthesis to ________.

A physician is examining a patient who fatigues easily after walking only a short distance. Tissue examination reveals that certain skeletal muscle cells are missing mitochondria. Laboratory tests are likely also to find ________.

Which molecule shown in the figure below does NOT begin cellular respiration in the cytoplasm?

ATP synthase plays a role in ________.

The first electron acceptor of cellular respiration is ________.

Human muscle cells use lactic acid fermentation to ________.

-Examine the figure above. Which reactant(s)primarily come(s)from the air?

The waste products of cellular respiration include ________.

Where in the cell does glycolysis occur?

-Examine the figure. Which of these stages receive input from more than one other stage?

Learning About Life

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

Dna Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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