Skip to main content

Home/ Peppers_Biology/ Group items matching ""case study"" in title, tags, annotations or url

Group items matching
in title, tags, annotations or url

Sort By: Relevance | Date Filter: All | Bookmarks | Topics Simple Middle
Lottie Peppers

Big Cats Education - National Geographic Education - 0 views

  •  
    National geographic site with high school lessons on: - captive breeding, species survival, and case studies. -Video clips are also available
Lottie Peppers

Rice 'n Beans or Ricin Beans? - National Center for Case Study Teaching in Science - 0 views

  •  
    Taylor must write a report about a natural toxin while she is home from college on break. After a family dinner conversation about the latest attempt to poison a politician via a letter, Taylor decides to explore how ricin acts as a poison. Students work in small groups to help Taylor by working through figures from primary literature papers and exploring the use of an in vitro translation system, sucrose gradient fractionation and the effect of inhibiting various steps of translation.  A shorter, second day activity involves students looking further at the effect of ricin upon ribosome function and at the ricin protein itself.  Students individually complete a cumulative assignment of writing a letter back to Mom and Dad about how ricin has its effects. This case was designed for use in a second semester biochemistry course or a molecular biology course that incorporates the mechanism of transcription. Prerequisite knowledge includes a general understanding of the steps of translation and the ability to interpret data from agarose gels.
Lottie Peppers

Meiosis | HHMI's BioInteractive - 0 views

  •  
    Meiosis, the form of cell division unique to egg and sperm production, sets the stage for sex determination by creating sperm that carry either an X or a Y sex chromosome. But what is it about the X or Y that determines sex? Before a meiotic cell divides, its two sets of chromosomes come together and cross over, or swap, segments. The first animation shows normal crossing over, where the X and Y chromosomes exchange pieces only at their tips. The second animation shows a rare mistake in which the Y chromosome transfers a gene called SRY to the X chromosome, resulting in sex-reversed babies. Studies of sex-reversed individuals led researchers to identify the master switch for sex determination, the SRY gene, which tells a fetus to become a boy.
  •  
    Meiosis, the form of cell division unique to egg and sperm production, sets the stage for sex determination by creating sperm that carry either an X or a Y sex chromosome. But what is it about the X or Y that determines sex? Before a meiotic cell divides, its two sets of chromosomes come together and cross over, or swap, segments. The first animation shows normal crossing over, where the X and Y chromosomes exchange pieces only at their tips. The second animation shows a rare mistake in which the Y chromosome transfers a gene called SRY to the X chromosome, resulting in sex-reversed babies. Studies of sex-reversed individuals led researchers to identify the master switch for sex determination, the SRY gene, which tells a fetus to become a boy.
Lottie Peppers

Edheads - Sickle Cell DNA - 0 views

  •  
    Animated video walks students through a sickle cell anemia case study, guided by a genetic counselor, with breaks for questions and interactive responses.
Lottie Peppers

Problem-based Learning in Biology with 20 Case Examples - 1 views

  •  
    Problem-based learning (PBL) is an exciting way to learn biology and is readily incorporated into large classes in a lecture hall environment. PBL engages students in solving authentic biological case problems, stimulating discussion among students and reinforcing learning. A problem-based learning environment emulates the workplace and develops self-directed learners. This is preferable to a mimetic learning environment in which students only watch, memorize, and repeat what they have been told. The examples given here are suitable for use in a first year college biology lecture theater, but the method is applicable to any class size and educational level. [A more detailed explanation of PBL in Biology may be found in Chapter Four of INSPIRING STUDENTS, published in 1999 by Kogan Page.]
Lottie Peppers

Rediscovering Biology - Case Studies: The Genetics of Resistance to HIV Infection - 0 views

  •  
    Evolutionary biologists have developed many techniques to analyze how male and female mating preferences have co-evolved. These studies combine animal behavior, sensory biology, phylogenetics, and neurobiology to observe the effects of male trait biases based on female receiver systems; that is, the "attractiveness" of the male trait to potential female mating partners.
Lottie Peppers

Karyotyping Activity - 0 views

  •  
    matching chromosome to complete karyotypes in a case study format
Lottie Peppers

Rediscovering Biology - Online Textbook - 0 views

  •  
    Online textbook with accompanying case studies, lesson plans, and interactives.
Lottie Peppers

Lesson Plans | Personal Genetics Education Project - 1 views

  •  
    We create interactive lessons for high school and college educators to engage their students in discussions of ethics and personal genetics. The lessons are relevant to multiple subjects, including biology, health, social studies, law, physical education and psychology. All of our lesson plans contain background reading for teachers and students, a selection of classroom activities, discussion points, in some cases a slide presentation or video clip, and an evaluation. Each lesson can stand alone, or all the lessons can be taught as a unit.
Lottie Peppers

Extensive Information and Guidance on Good and Bad Bacteria - 1 views

  •  
    informative site on wide array of topics about bacteria including articles and case studies
Lottie Peppers

From Many, One | The Scientist Magazine® - 0 views

  •  
    These case studies heralded a new appreciation for the phenomenon of genetic chimerism-when an individual carries two or more genetically distinct cell lines in different parts of her body. Until the advent of techniques for blood typing and karyotyping cells, genetic chimeras where thought to be very rare. They only came to light when the phenotypes associated with the two distinct genomes were so discordant that the resulting individual was clearly exceptional, with patches of distinct skin coloration throughout the body, for example, or hermaphroditic genitals. In reality, genetic chimeras may be quite common, disguised in perfectly normal bodies harboring genetically distinct cell lineages.
Lottie Peppers

Shedding Light On Human Cancer By Studying Canine Cancer | KCUR - 0 views

  •  
    Dr. Carolyn Henry, a veterinary oncologist at the University of Missouri veterinary school, says that, unlike lab mice, dogs get cancer naturally, just like humans. So their cancers are more likely to behave like human cancer when treated. "It's the same disease, it really doesn't matter what the species is," Henry says. "It's the same disease if it occurs naturally. And so, answers in one species should translate to answers in other species in many cases."
Lottie Peppers

What Was The Miller-Urey Experiment? - YouTube - 0 views

  •  
    The Miller-Urey experiment was the first attempt to scientifically explore ideas about the origin of life. Stanley Miller simulated conditions thought be common on the ancient Earth. The purpose was to test the idea that the complex molecules of life (in this case, amino acids) could have arisen on our young planet through simple, natural chemical reactions. The experiment was a success in that amino acids, the building blocks of life, were produced during the simulation. The finding was so significant that it kick started an entirely new field of study: Prebiotic Chemistry. Scientists now have reason to believe that the gases used in the Miller-Urey simulation were not actually the same as those of the ancient atmosphere. Because of this, many experiments have since been done, testing a wide variety of atmospheres and different environmental conditions. The results are overwhelming: the molecules of life can form under a wide variety of ancient Earth-like conditions. Many questions about the origin of life remain to be answered but these findings give strong support to the idea that the first living cells on Earth may have emerged from natural chemical reactions.
Lottie Peppers

Measuring the Planet's Health in Vibrant Shades of Green - NYTimes.com - 0 views

  •  
    A new study, published and reviewed in Nature magazine, shows the changes in shades of green (a proxy for plant health) in response to certain environmental factors - in this case, temperature, water availability and cloud cover.
Lottie Peppers

GSA PREP Resource: Human Genetic Variation | Genetics Society of America - 0 views

  •  
    This interactive case discussion was created to emphasize the clinical relevance of population genetics, but is also a suitable resource for teaching the basic principles of population genetics while relating them to human genetic variation. Our understanding of human genetic variation has deepened over the past decade due to fine-scale genome mapping. Applying this knowledge to the evaluation of ancestry-based genetic testing strategies, such as direct-to-consumer genetic testing, is an important component of the practice of culturally-competent medicine and a relevant way to teach the foundations of population genetics, including Hardy-Weinberg equilibrium.
Lottie Peppers

Microsoft Finds Cancer Clues in Search Queries - The New York Times - 0 views

  •  
    Microsoft scientists have demonstrated that by analyzing large samples of search engine queries they may in some cases be able to identify internet users who are suffering from pancreatic cancer, even before they have received a diagnosis of the disease.
Lottie Peppers

Microsoft Finds Cancer Clues in Search Queries - The New York Times - 1 views

  •  
    Microsoft scientists have demonstrated that by analyzing large samples of search engine queries they may in some cases be able to identify internet users who are suffering from pancreatic cancer, even before they have received a diagnosis of the disease.
« First ‹ Previous 161 - 180 of 191 Next ›
Showing 20 items per page