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Natural selection leads to the evolution of new traits. In this educational video, see how stickleback fish have adapted to live permanently in freshwater environments. Explore a case study of…
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How quickly can natural selection work? "The Making of the Fittest: Natural Selection and Adaptation" tells the story of a living example of Darwin's process of natural selection and…
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The Galápagos finches remain one of our world’s greatest examples of adaptive radiation. Watch as evolutionary biologists Rosemary and Peter Grant detail their 40-year project to…
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In this video Paul Andersen explains the elements in the Hardy-Weinberg equation; including the allele frequency and phenotype frequency. He begins with a brief explanation of phenotypes and…
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Ancient ice is helping researchers learn about Earth’s past climate, and a key stop on the scientific journey is a huge freezer in suburban Denver called the National Ice Core Laboratory. (Aug.…
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PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons
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By looking at the layers beneath our feet, geologists…
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Darwin's Book : "Origin of Species"
Download ( pdf ): http://www.mediafire.com/?39l9wwiurjns48y
Read: http://archive.org/stream/originofspecies00darwuoft#page/n0/mode/2up
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This is a video of the crab-eating macque taken from the BBC's Planet Earth documentary series.
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Darwin's Book: "Origin of Species"
Download ( pdf ): http://www.mediafire.com/?39l9wwiurjns48y
Read: http://archive.org/stream/originofspecies00darwuoft#page/n0/mode/2up
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Darwin's Book "Origin of Species":
Download (pdf): http://www.mediafire.com/?39l9wwiurjns48y
Read: http://archive.org/stream/originofspecies00darwuoft#page/n0/mode/2up
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Whether you are new to RefWorks are just need to brush up on the basics, these tutorials will help you learn some basic features to get started using RefWorks
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Video that described mass and background extinction rates.
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Video describing non-geographic isolation mechanisms that separate can species.
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Bjørn Østman and Randy Olson demonstrate how fitness landscapes can be used to visualize concepts about evolution that are typically hard to understand.
Music by STRFKR -…
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This video covers the difference between negative and positive pressure ventilation. Negative pressure ventilation is normal physiologic respiration, while positive pressure ventilation is due to…
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We demonstrate how to record the Einthoven leads and then how to construct the mean electrical axis from the recording. The Einthoven leads are differential leads because our differential amplifier…
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I have recorded a "newer" version of Cellular Respiration on YouTube, entitled: BIOLOGY; CELLULAR RESPIRATION (2012):
http://www.youtube.com/watch?v=65434N6JYCA
Professor Fink…
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This video discusses the first step of cellular respiration - glycoloyis in a manner easy to understand but in enough detail to be useful.
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This video discusses the body's need for cellular respiration and what is actually happening to provide the energy to make ATP. In the next videos of this series, we discuss the 4 main parts of…
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This video walks you through how to recognize bonding patterns.
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PCR technique (Polymerase Chain Reaction), Animation.
It is a technique used to make multiple copies of a DNA segment of interest, generating a large amount of copies from a small initial simple.…
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http://ratemyscience.com/ Publish and rate science
Cathepsin L as a protease responsible for proteolytically processing the N-terminal H3 tail. Cell. 2008 Oct 17;135(2):284-94.
Chromatin is the…
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NDSU Virtual Cell Animations Project animation 'mRNA Splicing'. For more information please see http://vcell.ndsu.edu/animations
Before being used in translation, mRNA must be spliced.…
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NDSU Virtual Cell Animations Project animation 'Transcription'. For more information please see http://vcell.ndsu.edu/animations
Transcription is a vital process in biological…
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The process of copying DNA into messenger RNA (mRNA) is called transcription. Transcription factors assemble at the promoter region of a gene, bringing an RNA polymerase enzyme to form the…
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Both strands of the DNA double helix act as templates for the new DNA strands. Incoming DNA is unraveled by the enzyme helicase, resulting in the 3' strand and the 5' strand. The 3'…
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Microbiology: An Evolving Science 3rd edition
Copyright: WW Norton 2016
Supercoiling of DNA
ch07a04
Topoisomerases
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