Essential Science for Teachers: Life Science: Session 2. Classifying Living Things
How can we make sense of the living world? During this session, a systematic approach to biological classification is introduced as a starting point for understanding the nature of the remarkable diversity of life on Earth.,This clip is a graphic showing the basis for photosynthesis.
Cell Biology and Cancer
This curriculum supplement brings into the classroom new information about some of the exciting medical discoveries being made at the National Institutes of Health (NIH) and their effects on public health. This set is being distributed to teachers around the country free of charge by the NIH to improve science literacy and to foster student interest in science. The first three supplements in the series are designed for use in senior high school science classrooms: Emerging and Re-emerging Infect
Essential Science for Teachers: Life Science: Session 3. Animal Life Cycles
One characteristic of all life forms is a life cycle—from reproduction in one generation to reproduction in the next. This session introduces life cycles by focusing on continuity of life in the Animal Kingdom. In addition to considering what aspects of life cycles can be observed directly, the underlying role of DNA as the hereditary material is explored.,Students are asked what existed before a bird becomes a bird? Students explain their ideas about eggs and birds. They present interesting a
Mitochondrial Control Region
Every human cell has a "second" genome, found in the cell's energy-generating organelle, the mitochondrion. In fact, each mitochondrion has several copies of its own genome, and there are several hundred to several thousand mitochondria per cell. This means that the mitochondrial (mt) genome is highly amplified. While each cell contains only two copies of a given nuclear gene (one on each of the paired chromosomes), there are thousands of copies of a given mt gene per cell. Because of this high
Understanding IQ Testing and Special Programming for Advanced Learners This seminar outlines the benefits and limitations of IQ testing, compares various score profiles, and demonstrates how to use testing data in educational planning. Both in-school and outside gifted programming options will be considered. David Palmer, Ph.D., is an educational psychologist specializing in GATE testing, IQ testing for educational planning, and learning disability assessment and consultation. He also directs the Palmer Learning Center in Orange County, California.
How can teenagers get enough sleep?
It's back to school time for K-12 students across the country -- when summer fun makes way for spelling bees, algebra and homework. How can parents ensure their kids are both mentally and physically prepared to impress and do their best from day one of the school year? University of Minnesota professor Michael Howell says teens, in particular, tend to biologically sleep in a different pattern than what school allows for: they can't fall asleep until later in the evening and therefore have diffic
Physical Geography
Physical geography is the study of the earth's dynamic systems -- its air, water, weather climate, landforms, rocks, soils, plants, ecosystems and biomes -- and how humans interact with the earth's systems. Physical geography is the study of the world around you. Everyone, every day, interacts with the earth's dynamic systems. I challenge you to join me on an exploration of the complex, and exciting world in which you live! This is a freshman level college course in physical geography. It requir
(Video) Nobel Lecture Series - Eric Accili.
Eric Accili, SFU kinesiology professor, on work of Rod MacKinnon who won the Nobel Prize for Chemistry for producing an image of cell membrane channels.
An Introduction to Plant Vascular Systems
As a laboratory exercise that uses scientific techniques to add an investigative component to study the vascular system of plants.
ATP deficit in bipopulation tumour cord growth
Simulation of tumor cord growth where conversion of the tumor to glycolytic (anaerobic) metabolism takes place under hypoxia. This video shows evolution of the region where the aerobic cells suffer from hypoxia (ATP deficit) as well as the limit where the glycolytic cells start suffering too. This video reflects work in progress and may be different from the final results.
Assembly of Proteins in Membranes II from the course General Biochemistry and Molecular Biology
General Biochemistry and Molecular Biology - Fall 2006. This course covers molecular biology of prokaryotic and eukaryotic cells and their viruses. Mechanisms of DNA replication, transcription, translation. Structure of genes and chromosomes. Regulation of gene expression. Biochemical processes and principles in membrane structure and function, intracellular trafficking and subcellular compartmentation, cytoskeletal architecture, nucleocytoplasmic transport, signal transduction mechanisms, and c
Human Genome Education
Anyone with a computer and an Internet connection can now explore the draft sequence of the human genome. How can molecular biologists capitalize on these data riches, and what are the advantages of using the assembled draft sequence? This website aims to jump-start those who want make use of this information, but are not sure where or how to start.
Ross Cranston, QC in Conversation with Lord Mackay of Clashfern
The separation of powers idea is at the heart of all legal democracies. Yet within those democracies there will often be positions of high office which require their holders to perform functions which are both legal and political. In this series of events senior figures who hold or have held positions of this type talk about their lives in the law, the nature of their office, the institutions which they serve, their roles and responsibilities within those institutions, the role of lawyers in gov
Scroogenomics: Why You Shouldn't Buy Presents for Christmas
Christmas is a time of seasonal cheer, family get-togethers, holiday parties, and-gift giving. BUT – How many of us get gifts we like? How many of us give gifts not knowing what recipients want? Waldfogel illustrates how our consumer spending generates vast amounts of economic waste—over £50 billion each winter. He provides solid explanations to show us why it's time to stop the madness and think twice before we start on our Christmas shopping extravaganza. When we buy for ourselves, every
You are not a gadget
Something started to go wrong with the digital revolution at the start of the 21st century. Individual creativity has begun to go out of fashion and people are being restricted to what can be represented on a computer. Are we deadening the human experience? Jaron Lanier delivers a call to arms in support of the human and reflects on the good and bad developments in design 20 years after the invention of the web.
Hong Kong's changing financial landscape
John Tsang Chun Wah, Financial Secretary of the Hong Kong Special Administrative Region will discuss post-financial crisis changes to Hong Kong's financial services sector and the potential benefits of these changes to markets around the world. How can Hong Kong maintain its competitive edge as an international financial and business centre in Asia?
7.340 Regenerative Medicine: from Bench to Bedside (MIT)
Regenerative medicine involves the repair and regeneration of tissues for therapeutic purposes, such as replacing bone marrow in leukemia, cartilage in osteoarthritis or cells of the heart after a heart attack. In this course, we will explore basic mechanisms of how cells differentiate into specific tissues in response to a variety of biologic signaling molecules. We will discuss the use of such factors for in vitro tissue production. We will also study the cellular mechanisms involved in the cl
Environmental Risk Assessment - Approaches, Experiences and Information Sources
This website provides access to a report from the European Environment Agency that gives a broad overview of approaches and experiences on how to assess ecological and human information on health risks. The chapters are targeted to different users such as industry, scientists and policy makers. Links to information sources, organizations, software models, EU legislation, and publications are also provided.
Social issues and GM crops
The genetic manipulation of plants and animals and their use in agriculture is one of the most controversial scientific developments of recent times. This unt takes a look at the 'science behind the headlines' and the complex interactions between scientific and social factors. By the end of the unit it's hoped that you will have a clearer idea of both what is GM makes possible as well as what may be thought desirable.
5.3.1 Allosteric regulation
In this unit we explore how proteins are the 'doers' of the cell. They are huge in number and variety and diverse in structure and function, serving both the structural building blocks and the functional machinery of the cell. Just about every process in every cell requires specific proteins. The basic principles of protein structure and function which are reviewed in this unit are crucial to understanding how proteins perform their various roles.
