A Can of Bull
This case study is designed to teach students at various levels about large biomolecules, nutrition, and product analysis. Students conduct a biochemical analysis of several popular energy drinks on the market, which many students purchase at fairly hi...
This case study is designed to teach students at various levels about large biomolecules, nutrition, and product analysis. Students conduct a biochemical analysis of several popular energy drinks on the market, which many students purchase at fairly hi...
A Case of Respiratory Distress
This clinical case study was developed to engage students by making connections between core concepts in chemistry and physiological processes in the body. The case pertains to medication-induced methemoglobinemia, its etiology, diagnosis, and treatmen...
This clinical case study was developed to engage students by making connections between core concepts in chemistry and physiological processes in the body. The case pertains to medication-induced methemoglobinemia, its etiology, diagnosis, and treatmen...
A Diet to Die For
This clicker case is designed to lead students to a conceptual understanding of oxidative phosphorylation (and, by analogy, photosynthesis). Students begin with a pre-class handout that presents background information on DNP, a weight-loss drug that wa...
This clicker case is designed to lead students to a conceptual understanding of oxidative phosphorylation (and, by analogy, photosynthesis). Students begin with a pre-class handout that presents background information on DNP, a weight-loss drug that wa...
A Light Lunch?
This case study was developed to engage students by making connections between core concepts in chemistry and obesity related factors. The case is in the form of a story between two friends and their underestimation of the calories they consumed in a m...
This case study was developed to engage students by making connections between core concepts in chemistry and obesity related factors. The case is in the form of a story between two friends and their underestimation of the calories they consumed in a m...
A Perfect Storm in the Operating Room
In this interrupted case study, a high school biology student shadows her uncle, an anesthesiologist, at a hospital for a school assignment. She witnesses a patient who has an unusual reaction to his anesthesia and nearly dies. As they try to dia...
In this interrupted case study, a high school biology student shadows her uncle, an anesthesiologist, at a hospital for a school assignment. She witnesses a patient who has an unusual reaction to his anesthesia and nearly dies. As they try to dia...
A Rigorous Investigation
In this directed case study, students investigate the cause of death in an incident that occurs late at night in a research lab. The overall goal of the case is to make the abstract concepts involved in cellular respiration more accessible to students....
In this directed case study, students investigate the cause of death in an incident that occurs late at night in a research lab. The overall goal of the case is to make the abstract concepts involved in cellular respiration more accessible to students....
A Sickeningly Sweet Baby Boy
When a newborn develops symptoms eerily similar to those of an older sibling who died shortly after birth, his Mennonite parents are understandably alarmed. They soon discover that their son has Maple Syrup Urine Disease (MSUD), a recessively inherited...
When a newborn develops symptoms eerily similar to those of an older sibling who died shortly after birth, his Mennonite parents are understandably alarmed. They soon discover that their son has Maple Syrup Urine Disease (MSUD), a recessively inherited...
Acids, pH, and Buffers
In this “clicker case,” a three-year-old girl gets into the medicine cabinet and ingests an unknown number of aspirin tablets. Her brother calls 911 and the girl is taken to a nearby hospital, where she is treated. The case is used to discu...
In this “clicker case,” a three-year-old girl gets into the medicine cabinet and ingests an unknown number of aspirin tablets. Her brother calls 911 and the girl is taken to a nearby hospital, where she is treated. The case is used to discu...
African Illness: A Case of Parasites?
This case is based on a British patient presenting to a hospital with an array of symptoms after returning from an African safari. Students learn about potential causes of the symptoms based on the patient's potential exposure to parasites endemic to A...
This case is based on a British patient presenting to a hospital with an array of symptoms after returning from an African safari. Students learn about potential causes of the symptoms based on the patient's potential exposure to parasites endemic to A...
Am I a Girl, or a Boy?
A baby is born with ambiguous genitalia to parents from the Dominican Republic and is determined to be a female based on general appearance. At the child's 12-year-old checkup, the parents and the child are distraught as they report to the pediat...
A baby is born with ambiguous genitalia to parents from the Dominican Republic and is determined to be a female based on general appearance. At the child's 12-year-old checkup, the parents and the child are distraught as they report to the pediat...
Amanda's Absence
When chronic pain forces a top student to withdraw from college, biology instructor Dr. Sharpe learns that medications (in this case, Vioxx) may be removed from the market for many reasons, including safety concerns. As the case unfolds, students learn...
When chronic pain forces a top student to withdraw from college, biology instructor Dr. Sharpe learns that medications (in this case, Vioxx) may be removed from the market for many reasons, including safety concerns. As the case unfolds, students learn...
An Adventure in Stereochemistry
Playfully alluding to Lewis Carroll’s tale of Alice Through the Looking Glass, this case study considers the problems that would arise if a person were to cross over into a mirror-image environment. Students read about a drowsy undergrad...
Playfully alluding to Lewis Carroll’s tale of Alice Through the Looking Glass, this case study considers the problems that would arise if a person were to cross over into a mirror-image environment. Students read about a drowsy undergrad...
An Infectious Cure
This four-part interrupted case on phage therapy was developed for a freshmen non-majors course in molecular biology. The case begins with a story inspired by real events where Europeans imposed a treatment for cholera on the unwilling population of an...
This four-part interrupted case on phage therapy was developed for a freshmen non-majors course in molecular biology. The case begins with a story inspired by real events where Europeans imposed a treatment for cholera on the unwilling population of an...
Another Can of Bull?
This case is a “clicker” adaptation of a similarly titled case by Merle Heidemann and Gerald Urquhart of Michigan State University, “A Can of Bull?” The story introduces students to basic principles of metabolism and energy thro...
This case is a “clicker” adaptation of a similarly titled case by Merle Heidemann and Gerald Urquhart of Michigan State University, “A Can of Bull?” The story introduces students to basic principles of metabolism and energy thro...
Bad Fish, Bad Bird
This "clicker case" is based on the General Biology edition of James Hewlett’s “Bad Fish” case in our collection. The case follows the story of biologist Dr. Westwood, who is accidentally poisoned, first while traveling in Asia and th...
This "clicker case" is based on the General Biology edition of James Hewlett’s “Bad Fish” case in our collection. The case follows the story of biologist Dr. Westwood, who is accidentally poisoned, first while traveling in Asia and th...
Bad Fish: General Biology Edition
In this version, developed for a course in general biology, the protagonist of the case, Dr. Westwood, survives an accidental poisoning-not once, but twice. Students read about each incident, applying what they learn in each part of the case to the lat...
In this version, developed for a course in general biology, the protagonist of the case, Dr. Westwood, survives an accidental poisoning-not once, but twice. Students read about each incident, applying what they learn in each part of the case to the lat...
Bilirubin
In this case study, two students meet a professor who surprises them by telling them that a biochemically important molecule’s structure has been incorrectly represented in the published literature - in an article in the Proceedings of the Na...
In this case study, two students meet a professor who surprises them by telling them that a biochemically important molecule’s structure has been incorrectly represented in the published literature - in an article in the Proceedings of the Na...
Biological Terrorism
In the weeks following the September 11, 2001, terrorist attacks on the World Trade Center and the Pentagon, anthrax-laced envelopes were mailed to individuals in government and the news media. Thousands were treated for exposure, and five people were...
In the weeks following the September 11, 2001, terrorist attacks on the World Trade Center and the Pentagon, anthrax-laced envelopes were mailed to individuals in government and the news media. Thousands were treated for exposure, and five people were...
Breast Cancer Risk
This case study takes a combined directed and discussion approach to explore risk factors for breast cancer. After a preparatory reading assignment, students assess various medical histories derived from actual women with breast cancer and rank their o...
This case study takes a combined directed and discussion approach to explore risk factors for breast cancer. After a preparatory reading assignment, students assess various medical histories derived from actual women with breast cancer and rank their o...
Cats Have Nine Lives, But Only One Liver
In this case, a college student gives her cat Tylenol not knowing its potential harmful effects. The cat survives, but the incident motivates her to research the reaction mechanism underlying the liver toxicity of acetaminophen. The case outlines po...
In this case, a college student gives her cat Tylenol not knowing its potential harmful effects. The cat survives, but the incident motivates her to research the reaction mechanism underlying the liver toxicity of acetaminophen. The case outlines po...
Face the Fats
This clicker case introduces students to the biochemistry of lipids through the story of Pete, a college student who begins to consider his nutritional fat intake after watching a commercial for the cholesterol-lowering drug Vytorin. In this case, stud...
This clicker case introduces students to the biochemistry of lipids through the story of Pete, a college student who begins to consider his nutritional fat intake after watching a commercial for the cholesterol-lowering drug Vytorin. In this case, stud...
Fat Facts
It's Mother's Day and Dolly, a high school senior, is making a Mediterranean salad for her mom, who is a college chemistry major and who likes to take every opportunity to teach Dolly what she has learned in school. Today is no exception, as she guides...
It's Mother's Day and Dolly, a high school senior, is making a Mediterranean salad for her mom, who is a college chemistry major and who likes to take every opportunity to teach Dolly what she has learned in school. Today is no exception, as she guides...
Holes in the Matter
This case centers on a fictional group of young adults who studied abroad together in Scotland as college students. A number of them develop disease symptoms and die a few years after the trip. The cause of death is determined to be a prion disease. Ap...
This case centers on a fictional group of young adults who studied abroad together in Scotland as college students. A number of them develop disease symptoms and die a few years after the trip. The cause of death is determined to be a prion disease. Ap...
Kermit to Kermette?
This case study explores the unintended side effects of chemicals introduced into the environment, specifically organic compounds that can act as environmental estrogens (chemical castration agents that can interfere with the sexual development of embr...
This case study explores the unintended side effects of chemicals introduced into the environment, specifically organic compounds that can act as environmental estrogens (chemical castration agents that can interfere with the sexual development of embr...
Monday on the Metabolic Ward
In this case, students take the role of pre-med students participating in a summer internship. As interns, they diagnose several different genetic deficiencies of glycolytic pathway enzymes based on the biochemical activity of blood samples. In order t...
In this case, students take the role of pre-med students participating in a summer internship. As interns, they diagnose several different genetic deficiencies of glycolytic pathway enzymes based on the biochemical activity of blood samples. In order t...
Mother's Milk Cures Cancer?
This case study on the immune system, cell cycle regulation, and cancer biology explores the role that serendipity plays in new discoveries in science, how scientific research is funded, and the personal and professional implications of unexpectedly fi...
This case study on the immune system, cell cycle regulation, and cancer biology explores the role that serendipity plays in new discoveries in science, how scientific research is funded, and the personal and professional implications of unexpectedly fi...
Murder or Medical Mishap?
In this case, students take the role of pre-med students participating in a summer internship. As interns, they diagnose several different genetic deficiencies of glycolytic pathway enzymes based on the biochemical activity of blood samples. In order t...
In this case, students take the role of pre-med students participating in a summer internship. As interns, they diagnose several different genetic deficiencies of glycolytic pathway enzymes based on the biochemical activity of blood samples. In order t...
Newsflash! Transport Proteins on Strike!
This role-play case study teaches students about plasma membrane transport and the functions of transport proteins in the phospholipid bilayer. Students act out the parts of molecules and structures in a fantastical cellular world where the unionized t...
This role-play case study teaches students about plasma membrane transport and the functions of transport proteins in the phospholipid bilayer. Students act out the parts of molecules and structures in a fantastical cellular world where the unionized t...
Oh, What a Difference a Carbon Can Make!
Sarah, trapped in the middle of a two-hour lecture on enzyme inhibition, attempts to escape by asking a question. She relates an old story she heard about some teenagers who drank from bottles of antifreeze marked "alcohol." Half of them died, but thos...
Sarah, trapped in the middle of a two-hour lecture on enzyme inhibition, attempts to escape by asking a question. She relates an old story she heard about some teenagers who drank from bottles of antifreeze marked "alcohol." Half of them died, but thos...
Rough Games and the Brain
In this "clicker case study," students learn about the chemical nature of protein molecules-in particular, how the constituent parts of proteins (amino acids) contribute to protein three-dimensional structure and folding. Several important human diseas...
In this "clicker case study," students learn about the chemical nature of protein molecules-in particular, how the constituent parts of proteins (amino acids) contribute to protein three-dimensional structure and folding. Several important human diseas...
Should Bill Buy Sammy?
In this case, students are shown the relevance of chemistry in daily decision-making by taking a look at the popular dietary supplement, s-adenosylmethionine (SAMe), widely used in Europe for depression, arthritis, and liver disease and now available i...
In this case, students are shown the relevance of chemistry in daily decision-making by taking a look at the popular dietary supplement, s-adenosylmethionine (SAMe), widely used in Europe for depression, arthritis, and liver disease and now available i...
Sickle Cell Anemia
In this case study on sickle cell anemia, students are introduced to some of the key researchers responsible for determining the molecular basis of the disease and learn about the functioning of erythrocytes as well as the notion that changes in the en...
In this case study on sickle cell anemia, students are introduced to some of the key researchers responsible for determining the molecular basis of the disease and learn about the functioning of erythrocytes as well as the notion that changes in the en...
Sweet Indigestion
These days it seems like everyone is counting carbs. About 24 million Americans report they have cut carbohydrates from their diet, and 44 million more say they may try a low-carb diet in the next two years. But what do people really know about carbohy...
These days it seems like everyone is counting carbs. About 24 million Americans report they have cut carbohydrates from their diet, and 44 million more say they may try a low-carb diet in the next two years. But what do people really know about carbohy...
Sweet Truth
This case reviews concepts of monosaccharide, disaccharide, and polysaccharide and contrasts the structures of different pairs of carbohydrates as well as the structure of sorbitol, a sugar substitute. It also depicts stereo chemistry concepts such as ...
This case reviews concepts of monosaccharide, disaccharide, and polysaccharide and contrasts the structures of different pairs of carbohydrates as well as the structure of sorbitol, a sugar substitute. It also depicts stereo chemistry concepts such as ...
The Campus Coffee Shop
Since caffeine is a widely used substance, especially by college age students, this case on the effects of caffeine on the human body serves as a real-world connection to many students’ lives. The case is divided into sections covering background...
Since caffeine is a widely used substance, especially by college age students, this case on the effects of caffeine on the human body serves as a real-world connection to many students’ lives. The case is divided into sections covering background...
The Case of the Missing Bees
Colony Collapse Disorder (CCD) has claimed approximately one-third of the commercial honeybee population in recent years. A number of causes have been suggested for this phenomenon, including the consumption of high fructose corn syrup (HFCS) by the be...
Colony Collapse Disorder (CCD) has claimed approximately one-third of the commercial honeybee population in recent years. A number of causes have been suggested for this phenomenon, including the consumption of high fructose corn syrup (HFCS) by the be...
The Case of the Tainted Taco Shells: Advanced Edition
This case discusses some of the issues associated with the use of genetically modified plants, including ecological risks, resistance, and allergenicity. The case has two versions, or editions. The "General Edition," also published on this site, ...
This case discusses some of the issues associated with the use of genetically modified plants, including ecological risks, resistance, and allergenicity. The case has two versions, or editions. The "General Edition," also published on this site, ...
The Case of the Tainted Taco Shells: General Edition
This case discusses some of the issues associated with the use of genetically modified plants, including ecological risks, resistance, and allergenicity. The case has two versions, or editions. This edition (the "General Edition") emphasizes the ...
This case discusses some of the issues associated with the use of genetically modified plants, including ecological risks, resistance, and allergenicity. The case has two versions, or editions. This edition (the "General Edition") emphasizes the ...
The Chemistry of Cocaine
This case study on the chemistry of cocaine is in the form of a classroom discussion between a professor and her students about cocaine, its addictive properties, a search for an addiction treatment, and the chemistry involved in the synthesis of cocai...
This case study on the chemistry of cocaine is in the form of a classroom discussion between a professor and her students about cocaine, its addictive properties, a search for an addiction treatment, and the chemistry involved in the synthesis of cocai...
The Chemistry of Cooley's Anemia
Young parents, Max and Andrea Forest, learn that their child is suffering from the genetic disorder, thalassemia. Treatment requires a lifetime commitment to whole blood transfusion and chelation therapy, both of which must be administered on a daily t...
Young parents, Max and Andrea Forest, learn that their child is suffering from the genetic disorder, thalassemia. Treatment requires a lifetime commitment to whole blood transfusion and chelation therapy, both of which must be administered on a daily t...
The Chemistry of Curcumin
This case study was developed to engage students by making connections between core concepts in organic chemistry and the health-promoting chemical, curcumin, found in turmeric. The case is in the form of a dialogue between a couple about the surprisin...
This case study was developed to engage students by making connections between core concepts in organic chemistry and the health-promoting chemical, curcumin, found in turmeric. The case is in the form of a dialogue between a couple about the surprisin...
The Molecular Origin of Life: Replication or Metabolism-First? Advanced Version
This case explores both the evidence and inconsistencies in the two major hypotheses for the origins of life on Earth: Replication-First or Metabolism-First. The case has two versions published on this website - one is written at the introductory level...
This case explores both the evidence and inconsistencies in the two major hypotheses for the origins of life on Earth: Replication-First or Metabolism-First. The case has two versions published on this website - one is written at the introductory level...
The Secret of Popcorn Popping
Focusing on the important role of water in living cellular chemistry, this case emphasizes the general solubility rule, "like dissolves like," which explains how water can serve as a medium for transporting the cell's soluble nutrients and wastes. The ...
Focusing on the important role of water in living cellular chemistry, this case emphasizes the general solubility rule, "like dissolves like," which explains how water can serve as a medium for transporting the cell's soluble nutrients and wastes. The ...
Thiamin Deficiency
In this directed case study developed for a biochemistry class, students read about the differences in the dietary preferences and practices for preparing and consuming rice among the three major communities of Malaysia, the local Malays and the immigr...
In this directed case study developed for a biochemistry class, students read about the differences in the dietary preferences and practices for preparing and consuming rice among the three major communities of Malaysia, the local Malays and the immigr...
Those Old Kentucky Blues
This interrupted case study begins with the construction of a pedigree following an initial encounter with a clan of “blue people.” After constructing a pedigree, students decide whether the condition (methemoglobinemia) is a heritable trai...
This interrupted case study begins with the construction of a pedigree following an initial encounter with a clan of “blue people.” After constructing a pedigree, students decide whether the condition (methemoglobinemia) is a heritable trai...
Why is Patrick Paralyzed?
This “clicker case” introduces students to a rare genetic disease in which an enzyme is deficient in a critical metabolic pathway—the first step in aerobic respiration. Based on a real-life situation, the case challenges students to m...
This “clicker case” introduces students to a rare genetic disease in which an enzyme is deficient in a critical metabolic pathway—the first step in aerobic respiration. Based on a real-life situation, the case challenges students to m...