Paramecium
Good morning students. Today I will be starting a new course on biochemical engineering. The name itself indicates that it has got a bio and chemical engineering. Now, if we see the definition; it is...
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Hi. It's Paul Andersen and welcome to disciplinary core idea LS4A. It's on evidence of common ancestry and diversity. When Darwin published his ideas on common descent he really...
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Space it's a dangerous place Without any atmospheric pressure Moisture melts off your face [Melts off your face!] You'd also have trouble breathing There's no air out there...
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Prof: Now before I get going on today's lecture, which is about the evolution of sex, I thought that I would just share this picture with you, which I took at ten o'clock on Saturday...
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These are the top ten photos from Nikon’s 2013 Photomicrography competition. 10. A Dinosaur bone preserved in volcanic rock is magnified ten times to give us a clear view of dinosaur fossils like...
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Today I want to show you what the soil food web is and I like you so much that I drew it for you, right there. If you’re new to gardening you may come across this term, soil food web and wondered...
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Paramecia, the single celled organisms swim around by using little cilia, little hairlike protrusions all over their bodies which wiggle in a coordinated way to allow them to swim. They control this...
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Introduction I put this yummy gummy through a science experiment that models that what happens to a in an environment that's more watery than the cell is inside, and what I saw came as no...
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[ Sound Effects ] Searching for life on Mars. On January 3, 2004, Spirit landed on Mars. Only three hours after landing, Spirit began returning its first pictures. Mars is a very extreme dry and cold...
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Hi. It's Mr. Andersen and welcome to Biology Essentials Video number 18. This is on positive and negative feedback loops. If you've ever driven you've probably seen a sign like...
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