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Every cell in the body is a specific size. Host Trace Dominquez discusses some new scientific findings related to cell growth. A team of biologists has zeroed in on a previously unknown mechanism within the cell growth cycle that controls cell size. They made this fundamental finding by studying yeast cells, but it could provide insight to basic human biology. Part of the "Uno Dos of Trace" series.
(Source: DCMP)
The cell cycle is the series of events that cells go through as they grow and divide. This title provides a discussion on each of the stages of the cell cycle: prophase, metaphase, anaphase, telophase, and cytokinesis. Part of the "Biology" series.
They're neither plants nor animals, yet they are some of the most important life-forms on Earth. This video segment explores the world of single-celled organisms: what they eat, how they move, what they have in common, and what distinguishes them from one another.
Part of the "Visualizing Cell Processes" series. Includes the following modules on photosynthesis: "Chloroplast Structure," "Light Trapping by Chlorophyll," "Light–Dependent Reactions of Photosynthesis," and "The Light–Independent Reactions of Photosynthesis." Includes the following modules on cellular respiration: "Glycolysis and Fermentation," "Mitochondrion Structure," "Aerobic Respiration," "Krebs Cycle," "Electron Transport Chain," and "ATP synthesis."
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to produce needed energy from nutrients. These processes help keep the Earth in balance by breaking down the food that photosynthesis produces.
Part of the "Inside the Living Cell" series. Illustrates how genetic instructions carried on DNA are transcribed into RNA, leading to the production of specific enzymes that control the thousands of biochemical processes occurring in living cells. Provides an overview of the protein basis of life, enzymatic reactions, amino acids and DNA, how proteins are built, and gene activation.
Cells differ in size, shape, and function depending on their role in the body. Specialized cells make up tissues, tissues make up organs, and organs make up the systems that work together to make up the body. Join Pinky and Petunia as they discuss some examples of specialized plant and animal cells. Part of "The Amoeba Sisters" series.
Scientists in the Netherlands are working on creating man made meat. They are attempting to grow hamburger meat in a test tube.
Part of the "Visualizing Cell Processes" series. Includes the following modules: "Mitosis: Chromosome Condensation," "Mitosis: Stages," "Cytokinesis," "Meiosis," "Nucleotide Structure and Bonding," "Replication Enzymes," "Replicating the Strands," "The Twisting Problem," and "Proofreading and Repair."
In this episode, Pinky and Petunia discuss examples of prokaryotes and eukaryotes. They also lead a discussion that compares and contrasts these two types of cells. Part of "The Amoeba Sisters" series.
Students receive an overview of nutrition basics starting with an in-depth look at nutrients. This program also provides an overview of nutrition standards and guidelines. Part of the "Human Nutrition" series.
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the biological processes involved in cellular respiration and how these processes provide energy to living things. Part of the Science Video Vocab series.
Hannah Laccarino, a graduate student in Brain and Cognitive Sciences at MIT, answers questions about the importance of brain cells. She also discusses what happens to the brain cells not used. Part of the "#askMIT" series.
Explains the scientific concepts of photosynthesis, respiration, and enzymes. Laboratory experiments demonstrate: the rate of photosynthesis in greenhouse plants; the amount of oxygen used by the body during respiration at varying speeds; and the reaction times of different enzymes.
The Magic School Bus is an award winning animated children’s television series based on the book series of the same title by Joanna Cole and Bruce Degen. It is notable for its use of celebrity talent and being both highly entertaining and educational. It's the night of the rock lovers' annual Granite Awards, and Arnold is about to become the first kid ever to win the coveted Rocky Award. He's so excited; all he's been able to eat for weeks are "Seaweedies.” When he arrives for the big event, he’s nervous and orange. Once the class determines that the orange isn't on Arnold's skin, they shrink down to explore what's underneath. They discover that his whole body is made of living cells, and they're all orange.
New research finds that hummingbird species living at high altitudes have evolved hemoglobin with enhanced oxygen-binding properties so they can thrive in oxygen-poor environments. A team of scientists demonstrate how hummingbirds adapt to life at high altitudes.
Colony formation on semi-solid medium is basic characteristic of many different bacteria and an important property for microbiologists. These models illustrate the different types of colonies formed, what a colony reflects at the cellular level, how microbiologists obtain isolated colonies, and what happens when cells swarm instead of forming colonies.
(Source: MicroBVI)
Illistration of the Procaryotic Cell
(Source: )
Photosynthesis converts light energy from the sun into chemical energy stored in organic compounds, which are used to build the cells of producers and ultimately fuel ecosystems. After providing an overview of photosynthesis, a series of animations describe the inside of the cells of a leaf to explain how the reactions of photosynthesis happen.
Part of the "Inside the Living Cell" series. Describes the properties of the plasma membrane, how it governs the kinds of molecules that go in and out of cells, and how cells feed by engulfing (phagocytosis) and drinking in (pinocytosis) fluids. Also reviews membrane structure, osmosis, transport proteins, active transport, cell eating, cell drinking, and receptor proteins.
Showing collections 1 to 4 of 4
Biology related concepts
A collection containing 59 resources, curated by Benetech
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
