Question 1

Which of the following occurs inside the mitochondria?

Accepted Answer

A)  glycolysis 
B)  fermentation 
C)  citric acid cycle and electron transport 
D)  glycolysis and electron transport 
A)  glycolysis 
B)  fermentation 
C)  citric acid cycle and electron transport 
D)  glycolysis and electron transport

Question 2

ATP helps to power ________ work when a muscle cell contracts.

Accepted Answer

A)  chemical 
B)  transport 
C)  mechanical 
D)  potential 
A)  chemical 
B)  transport 
C)  mechanical 
D)  potential

Question 3

Fats are composed of fatty acids and ________, which can both be metabolized for the production of ATP.

Accepted Answer

A)  amino acids 
B)  monosaccharides 
C)  nucleic acids 
D)  glycerol 
A)  amino acids 
B)  monosaccharides 
C)  nucleic acids 
D)  glycerol

Question 4

Which of the following processes creates the most ATP per glucose molecule metabolized?

Accepted Answer

A)  glycolysis 
B)  fermentation 
C)  anaerobic respiration 
D)  aerobic cellular respiration 
A)  glycolysis 
B)  fermentation 
C)  anaerobic respiration 
D)  aerobic cellular respiration

Question 5

Eating large amounts of food, followed by self-induced vomiting, is a type of eating disorder called

Accepted Answer

A)  anorexia. 
B)  bulimia. 
C)  osteoporosis. 
D)  atherosclerosis. 
A)  anorexia. 
B)  bulimia. 
C)  osteoporosis. 
D)  atherosclerosis.

Question 6

During glycolysis, a 6-carbon glucose molecule is broken into two 3-carbon molecules of ________ (two words).

Accepted Answer

The answer of During glycolysis, a 6-carbon glucose molecule is...

Question 7

Shannon has considered herself an extremely healthy person for most of her life. She is a marathon runner and watches her diet very carefully. She has 8% body fat, weighs 105 pounds, and is 5 foot 10 inches tall. Shannon might not actually be as healthy as she thinks because she

Accepted Answer

A)  is overweight for her height. 
B)  likely has metabolic problems associated with high blood pressure. 
C)  doesn't have enough body fat for menstruation or pregnancy. 
D)  doesn't consume enough nutrients for normal bodily functions. 
A)  is overweight for her height. 
B)  likely has metabolic problems associated with high blood pressure. 
C)  doesn't have enough body fat for menstruation or pregnancy. 
D)  doesn't consume enough nutrients for normal bodily functions.

Question 8

What happens to an ATP molecule after it has released a phosphate?

Accepted Answer

A)  It becomes AMP and is recycled into proteins. 
B)  It is phosphorylated and becomes ADP. 
C)  It is converted into lactic acid and transported to the liver for disposal. 
D)  It is secreted in urine as a waste product of cellular respiration. 
A)  It becomes AMP and is recycled into proteins. 
B)  It is phosphorylated and becomes ADP. 
C)  It is converted into lactic acid and transported to the liver for disposal. 
D)  It is secreted in urine as a waste product of cellular respiration.

Question 9

After glycolysis, pyruvic acid loses a carbon dioxide molecule. In other words, the pyruvic acid is

Accepted Answer

A)  denatured. 
B)  phosphorylated. 
C)  decarboxylated. 
D)  oxidated. 
A)  denatured. 
B)  phosphorylated. 
C)  decarboxylated. 
D)  oxidated.

Question 10

Which of these people is most likely to use the most Calories during 20 minutes of exercise?

Accepted Answer

A)  a 70-year-old woman who weighs 120 pounds 
B)  a 30-year-old man who weighs 250 pounds 
C)  a 25-year-old woman who weighs 135 pounds 
D)  a 45-year-old man who weighs 180 pounds 
A)  a 70-year-old woman who weighs 120 pounds 
B)  a 30-year-old man who weighs 250 pounds 
C)  a 25-year-old woman who weighs 135 pounds 
D)  a 45-year-old man who weighs 180 pounds

Question 11

What is the source of chemical energy used to power a muscle cell in your arm?

Accepted Answer

A)  pyruvic acid 
B)  adenosine triphosphate (ATP) 
C)  nicotinamide adenine dinucleotide (NA
D)  
D)  ribulose bisphosphate (RuBP) 
A)  pyruvic acid 
B)  adenosine triphosphate (ATP) 
C)  nicotinamide adenine dinucleotide (NA
D)  
D)  ribulose bisphosphate (RuBP)

Question 12

Which of the following is most likely an enzyme?

Accepted Answer

A)  proline 
B)  stearic acid 
C)  endopeptidase 
D)  acetylcholine 
A)  proline 
B)  stearic acid 
C)  endopeptidase 
D)  acetylcholine

Question 13

Transport work across cell membranes is powered by the release of energy from

Accepted Answer

A)  ADP. 
B)  ATP. 
C)  NADP. 
D)  NADPH. 
A)  ADP. 
B)  ATP. 
C)  NADP. 
D)  NADPH.

Question 14

Ethanol and carbon dioxide are released from the cell during

Accepted Answer

A)  glycolysis. 
B)  the citric acid cycle. 
C)  the electron transport chain. 
D)  alcohol fermentation. 
A)  glycolysis. 
B)  the citric acid cycle. 
C)  the electron transport chain. 
D)  alcohol fermentation.

Question 15

Which of the following is generally true, regarding differences in fat deposition between healthy men and healthy women?

Accepted Answer

A)  Men have more fat under their skin than women do. 
B)  Men have less fat stored on their thighs than women do. 
C)  Men have a higher body fat percentage than women do. 
D)  Men need more body fat than women to maintain their fertility. 
A)  Men have more fat under their skin than women do. 
B)  Men have less fat stored on their thighs than women do. 
C)  Men have a higher body fat percentage than women do. 
D)  Men need more body fat than women to maintain their fertility.

Question 16

-The figure shows the different pathways taken by the subunits of macronutrients during cellular respiration. Which macronutrient subunit is never converted into pyruvic acid before entering the citric acid cycle?

Accepted Answer

A)  an amino acid 
B)  a fatty acid 
C)  glycerol 
D)  glucose 
A)  an amino acid 
B)  a fatty acid 
C)  glycerol 
D)  glucose

Question 17

Which of the following is associated with obesity?

Accepted Answer

A)  Type 1, insulin-dependent diabetes mellitus 
B)  Type 2, noninsulin-dependent diabetes mellitus 
C)  osteoporosis 
D)  altered heart rhythms 
A)  Type 1, insulin-dependent diabetes mellitus 
B)  Type 2, noninsulin-dependent diabetes mellitus 
C)  osteoporosis 
D)  altered heart rhythms

Question 18

Jim has a total cholesterol level of 220. What could he do to reduce his risk of stroke or heart attack?

Accepted Answer

A)  eat only one meal per day 
B)  consume more vegetables and fruit 
C)  eat only high-protein foods 
D)  eat more protein and more calories 
A)  eat only one meal per day 
B)  consume more vegetables and fruit 
C)  eat only high-protein foods 
D)  eat more protein and more calories

Question 19

Which of the following is true regarding enzymes?

Accepted Answer

A)  Enzymes are not very specific. 
B)  Enzymes are not affected by high heat, as proteins are. 
C)  Enzymes can be recycled and used over and over again. 
D)  Enzymes are "used up" during chemical reactions. 
A)  Enzymes are not very specific. 
B)  Enzymes are not affected by high heat, as proteins are. 
C)  Enzymes can be recycled and used over and over again. 
D)  Enzymes are "used up" during chemical reactions.

Question 20

A person with a BMI of 23 is considered to be ________.

Accepted Answer

The answer of A person with a BMI of 23...

Exam 4: Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Which of the following occurs inside the mitochondria?

ATP helps to power ________ work when a muscle cell contracts.

Fats are composed of fatty acids and ________, which can both be metabolized for the production of ATP.

Which of the following processes creates the most ATP per glucose molecule metabolized?

Eating large amounts of food, followed by self-induced vomiting, is a type of eating disorder called

During glycolysis, a 6-carbon glucose molecule is broken into two 3-carbon molecules of ________ (two words).

Shannon has considered herself an extremely healthy person for most of her life. She is a marathon runner and watches her diet very carefully. She has 8% body fat, weighs 105 pounds, and is 5 foot 10 inches tall. Shannon might not actually be as healthy as she thinks because she

What happens to an ATP molecule after it has released a phosphate?

After glycolysis, pyruvic acid loses a carbon dioxide molecule. In other words, the pyruvic acid is

Which of these people is most likely to use the most Calories during 20 minutes of exercise?

What is the source of chemical energy used to power a muscle cell in your arm?

Which of the following is most likely an enzyme?

Transport work across cell membranes is powered by the release of energy from

Ethanol and carbon dioxide are released from the cell during

Which of the following is generally true, regarding differences in fat deposition between healthy men and healthy women?

-The figure shows the different pathways taken by the subunits of macronutrients during cellular respiration. Which macronutrient subunit is never converted into pyruvic acid before entering the citric acid cycle?

Which of the following is associated with obesity?

Jim has a total cholesterol level of 220. What could he do to reduce his risk of stroke or heart attack?

Which of the following is true regarding enzymes?

A person with a BMI of 23 is considered to be ________.

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

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