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How Bones Heal | Ask A Biologist - Arizona State University

Feb 01, 2011  · How Do Bones Heal? What's happening inside your body when a bone is broken? Lets take a closer look at the step-by-step process your body goes through to heal a broken bone. You can begin by watching this short video that shows the different stages of bone healing. If you want learn more about bone repair we have included details of each step below the video.

Actived: Thursday Jan 1, 1970

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Parts of the Brain | Ask A Biologist - Arizona State University

Posted: (53 years ago) May 05, 2011  · Support: Glia cells act as a physical support and protection for neurons. They also help keep the blood-brain barrier which prevents toxic chemicals in the blood from entering the brain. Nutrition: Glia cells help keep the environment around neurons in balance and make sure the right nutrients are available for neurons. Insulation: Glia cells can create myelin, a fatty …

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Coloring Pages and Biology Worksheets | Ask A Biologist

Posted: (53 years ago) ***We are hoping to get our coloring pages converted to HTML5 so our online coloring tool may work again, but currently all pages can still be downloaded and printed.***Hey all you creative scientists! Here is a way to have fun coloring while learning about the living world. These coloring pages and worksheets feature different areas of biology as well as fun facts.

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PCR - Amplifying DNA | Ask A Biologist

Posted: (53 years ago) Apr 12, 2010  · PCR (polymerase chain reaction) Let's say you have a biological sample with trace amounts of DNA in it. You want to work with the DNA, perhaps characterize it by sequencing, but there isn't much to work with. This is where PCR comes in. PCR is the amplification of a small amount of DNA into a larger amount. It is quick, easy, and automated.

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Hypothalamus: The Body's Thermostat | Ask A Biologist

Posted: (53 years ago) Jun 09, 2012  · The hypothalamus does many things, but two of its most important jobs are to maintain homeostasis and to control certain hormones. Homeostasis is very important to all animals, including humans. If we look at the word, we see that homeo means “the same”, and stasis means “not moving”, or “holding”. So homeostasis means that ...

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Biology Podcast and Videos | Ask A Biologist

Posted: (53 years ago) Part of what makes science fun and challenging is solving puzzles and investigating mysteries. For this episode, Dr. Biology sits down with ecologist Charles Brown and the two talk about his 40-year journey of discovery and rediscovery. This is a curious story that involves an acrobatic animal and how it is evolving to battle a six-legged villain.

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Games & Simulations | Ask A Biologist - Arizona State University

Posted: (53 years ago) Learn more about vaccine history, testing, and more with our story, Vaccine Science. Monster Maker. Play Monster Maker Build your own monster by decoding the monster genome in Monster Maker, a DNA game. It is not very different from what happens in every living thing, using the tiny instruction manual called DNA, found in each of your cells ...

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Alkaline Extraction | Ask A Biologist - Arizona State University

Posted: (53 years ago) Apr 12, 2010  · Alkaline Lysis Alkaline lysis is the method of choice for isolating circular plasmid DNA, or even RNA, from bacterial cells. It is probably one of the most generally useful techniques because it is a fast, reliable and relatively clean way to obtain DNA from cells. If necessary, DNA from an alkaline lysis prep can be further purified. Alkaline lysis depends on a unique

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Ask A Biologist

Posted: (53 years ago) Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.

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Human Mendelian Traits | Ask A Biologist

Posted: (53 years ago) Trait: a characteristic of an organism that can be the result of genes and/or influenced by the environment. Traits can be physical like hair color or the shape and size of a plant leaf. Traits can also be behaviors such as nest building behavior in birds.

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División Celular - Mitosis y Meiosis | Ask A Biologist

Posted: (53 years ago) El ciclo celular mitosis. Antes de que una célula comienza a dividirse, está en la "interfase". Parece que las células deben de estar dividiéndose constantemente (recuerde que hay 2 trillones de divisiones celulares en tu cuerpo todos los días), pero en realidad cada célula pasa la mayor parte de su tiempo en la interfase.

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Brain Regions and Functions | Ask A Biologist

Posted: (53 years ago) May 09, 2011  · What Are the Regions of the Brain and What Do They Do? The brain has many different parts. The brain also has specific areas that do certain types of work. These areas are called lobes. One lobe works with your eyes when watching a movie. There is a lobe that is controlling your legs and arms when running and kicking a soccer ball. There are two lobes …

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Cell Division - Mitosis and Meiosis | Ask A Biologist

Posted: (53 years ago) The meiosis cell cycle has two main stages of division -- Meiosis I and Meiosis II. The end result of meiosis is four haploid daughter cells that each contain different genetic information from each other and the parent cell. Click for more detail. (Image from Science Primer from the National Center for Biotechnology Information.)

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Temperate Forest Biome | Ask A Biologist

Posted: (53 years ago) Jul 20, 2014  · In many fairy tales and folktales, the temperate forest is a place for discovery, adventure, and maybe a little magic. What makes this biome so special in our minds? Maybe it's the animals, the quiet that can be found there, or the way the leaves change color with the seasons.Also in: Français | Español

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Why Are Angiosperms so Successful? | Ask A Biologist

Posted: (53 years ago) May 22, 2018  · Should Science Teachers Try to be Funny? Spicy is Tasty to Tree Shrews; Tick Bacterial Trick; When Great Apes High-Five; Motions of Magic; Nature's Balancing Act; New World Under the Sea; Of Mice and Men: Using Mice to Study Human Brains; One-Two Punch for Tuberculosis; Organ Swap; Our Bodies, the Tumor Feeders; Planting Pollinator Grocery Stores

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Neuron Diagram & Types | Ask A Biologist - Arizona State University

Posted: (53 years ago) May 03, 2011  · Neurons and Nerves Neurons are unique for many reasons. For one, they have a shape that is not like any other cells. Nerve cells are also some of the longest cells in your body. There are nerve cells as long as a meter. They stretch from your hips all the way down to your toes! This is very uncommon for cells, which are usually very short. Most cells are 20 …

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Photosynthesis and the Electron Transport Chain | Ask A Biologist

Posted: (53 years ago) May 25, 2017  · In with One Energy and out with Another The light-dependent reactions take place in the thylakoid membrane, inside chloroplasts. Since they are light 'dependent' reactions, you can guess that these reactions need light to work. Remember that the purpose of this first part of photosynthesis is to convert sunlight energy into other forms of energy?

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Transcripción y traducción | Ask A Biologist

Posted: (53 years ago) Una ilustración básica de los procesos de transcripción y traducción. Haz clic para más detalles. En cada tipo celular, genes diferentes se activan y producen solo esas proteínas que se necesitan en la célula específica. Pero, ¿cómo es exactamente posible producir proteínas para la célula de una receta en el ADN? Leer una receta no es suficiente; la producción de proteínas

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Nervous System Functions and Parts | Ask A Biologist

Posted: (53 years ago) May 03, 2011  · Parts of the Nervous System The center of the nervous system is the brain. The brain takes in what your eyes see and ears hear, and if you decide that you want to move around, your brain tells your muscles to do it. Your brain makes your muscles move by sending tiny electrical signals to them through your nerves. Remember how neurons can be really long?

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Punnett Squares | Ask A Biologist

Posted: (53 years ago) Jul 20, 2010  · Punnett Squares Punnett squares are a useful tool for predicting what the offspring will look like when mating plants or animals. Reginald Crundall Punnett, a mathematician, came up with these in 1905, long after Mendel's experiments. Let's take a look at how Punnet squares work using the yellow and green peas example from Mendel’s garden experiments.

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Peppered Moths Simulation | Ask A Biologist

Posted: (53 years ago) Mar 25, 2015  · Play the Peppered Moths GameGet your beaks ready, it's moth-hunting time. In the Peppered Moths Game, you take on the role of the hunter and learn at least one reason why you might eat one moth instead of another.Learn more about associated stories and lessons at Picking off the Peppered Moths. Also in: Español | Français

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Ciclo de Vida Monarca | Ask A Biologist

Posted: (53 years ago) El ciclo de vida de la mariposa monarca Hay cuatro etapas en el ciclo de vida de una mariposa. Estas etapas incluyen el huevo, la larva, la pupa, y el adulto. El proceso entero se llama metamorphosis completo y es una de las dos formas que los insectos desarrollan desde un huevo hasta un adulto. El otro tipo de desarrollo se llama metamorfosis incompleto.HuevoUna …

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Protein Denaturing Activity | Ask A Biologist - Arizona State …

Posted: (53 years ago) May 29, 2018  · Breaking Proteins in 8 Easy Steps. Pour 1/3 cup rubbing alcohol into one glass container, room temperature water (1/3 cup) into another, and the rest of the water (1/3 cup) into a microwave-safe container (or into a pot).

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How Does Your Body Fix a Cut? | Ask A Biologist

Posted: (53 years ago) Feb 21, 2015  · How Your Body Repairs Cuts After you get a paper cut, it's important that your body closes the cut (the wound) so you avoid getting an infection. There are three stages of wound healing to repair the cut. The stages are kind of like what you might go through if you tried to build a house. First, the site has to be prepped and planning begins.

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Human Animal Differences | Ask A Biologist

Posted: (53 years ago) May 12, 2017  · There are many similarities between humans and other animals that you may have noticed. Humans and animals both eat, sleep, think, and communicate. We are also similar in a lot of the ways our bodies work. But we also have a lot of differences. Are there any differences that set humans apart, uniquely, from all other animals?Some people think that …

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Banana DNA Extraction | Ask A Biologist - Arizona State University

Posted: (53 years ago) Apr 19, 2016  · Extracting DNA from a Banana and Other Fruits. Introduction. All living things, bananas and people included, pass on information from one generation to the next using the same basic material, DNA.Within every living organism, most cells contain a …

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Colors Animals See | Ask A Biologist - Arizona State University

Posted: (53 years ago) This question can be answered pretty easily. If an animal eye has cones they will be able to see some color. What is difficult to know is which colors an animal can see and how strong or weak the color will appear to the animal.

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Teoría endosimbiótica | Ask A Biologist

Posted: (53 years ago) Es bueno ser amigable con tus vecinos, ¿verdad? Los individuos y las comunidades se desempeñan mejor si se ayudan mutuamente. La cooperación no es solo importante para los humanos; sin un poco de interacción con los vecinos, la vida tal como la conocemos no existiría.

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Are viruses alive? | Ask A Biologist - Arizona State University

Posted: (53 years ago) Mar 07, 2020  · 2. One of the most up-to-date Coronavirus case maps showing the numbers of confirmed cases across the globe (and split into counties within the US), from the University of Virginia.. 3. For how to respond and how to act, visit the WHO's Coronavirus advice to the public.. 4. For the most up-to-date testing and case numbers, visit the COVID Tracking Project.

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T-cells | Ask A Biologist - Arizona State University

Posted: (53 years ago) Feb 16, 2011  · Killer T-Cells and Antigens. Killer T-cells find and destroy infected cells that have been turned into virus-making factories. To do this they need to tell the difference between the infected cells and healthy cells with the help of special molecules called antigens.

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Monarch Life Cycle | Ask A Biologist - Arizona State University

Posted: (53 years ago) Dec 18, 2009  · The Monarch Butterfly Life Cycle. There are four stages in the life cycle of a butterfly. The stages include, egg, larva, pupa, and adult. The entire process is called complete metamorphosis and is one of two ways insects develop from an egg to an adult. The other type of insect development is called incomplete metamorphosis.

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Southern Blotting Technique | Ask A Biologist

Posted: (53 years ago) Apr 12, 2010  · Southern Blotting Southern blotting was named after Edward M. Southern who developed this procedure at Edinburgh University in the 1970s. To oversimplify, DNA molecules are transferred from an agarose gel onto a membrane. Southern blotting is designed to locate a particular sequence of DNA within a complex mixture. For example, Southern Blotting could …

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