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Eukaryotic Cells
Eukaryotic Cells
Free Science Help at Brightstorm! brightstorm.com The description of eukaryotic cells.
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Eukaryotic Cell Cycle | Biology | Genetics
Eukaryotic Cell Cycle | Biology | Genetics
To purchase this DVD please visit www.greatpacificmedia.com Segment from the program Cellular Reproduction: Mitosis, Cytokinesis, and the Cell Cycle DVD Description Our Mitosis DVD starts by introducing the cell cycle and briefly describing the process of binary fusion in prokaryotic cells before going on to a detailed look at the eukaryotic cell cycle from the G1, S and G2 phases of interphase through the prophase, metaphase, anaphase and telophase phases of mitosis. The difference between cytokinesis in animal and plant cells is then illustrated. The program concludes by explaining why an understanding of cellular division is critical to: conquering cancer, cloning organs, and perhaps even reversing aging.
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Learn Biology: Cells—Prokaryotic Cells vs. Eukaryotic Cells
Learn Biology: Cells—Prokaryotic Cells vs. Eukaryotic Cells
Learn Guitar FREE on iPhone & iPad: bit.ly www.mahalo.com Mary Poffenroth, an adjunct professor of biology, teaches you different topics of biology. In this video she explains the difference between prokaryotic and eukaryotic cells. Biology Playlist: www.youtube.com Cells Playlist: www.youtube.com Check out these related Mahalo pages: Prokaryotic Cells vs. Eukaryotic Cells: www.mahalo.com Eukaryotic Cells and Animal Cells vs. Plant Cells: www.mahalo.com The Plasma Membrane: www.mahalo.com The Nucleus: www.mahalo.com Ribosomes: www.mahalo.com Endoplasmic Reticulum: www.mahalo.com The Golgi Apparatus: www.mahalo.com Lysosomes: www.mahalo.com Chloroplasts: www.mahalo.com Mitochondria: www.mahalo.com Check out more video from Mahalo: How to Speak German: www.youtube.com How to Speak French: www.youtube.com How to Speak Spanish: www.youtube.com How to Speak Korean: www.youtube.com Valentine's Arts & Crafts: www.youtube.com Learn History: www.youtube.com Learn Math: www.youtube.com Parenting: www.youtube.com Celebs in 60: www.youtube.com LA's Hottest Bartender: www.youtube.com
9:17
Plant and Animal Cell Overview: The Basics from Thinkwell Biology
Plant and Animal Cell Overview: The Basics from Thinkwell Biology
bit.ly Try Thinkwell Video Biology for Free. Click this link to try Thinkwell free, no credit card required.
4:13
Mini-lecture: The origins of complex life (UCL)
Mini-lecture: The origins of complex life (UCL)
Dr Nick Lane (UCL Genetics, Evolution and Environment) has won the 2010 Royal Society Science Book Prize for his groundbreaking book Life Ascending. Dr Lane was also the first UCL Venture Research Fellow. His research examines the mystery at the heart of biology: the origins of complex life. For those of you wanting more of Dr Lane, our colleagues at the Wellcome Trust have a podcast that goes more in depth: www.wellcomecollection.org www.nick-lane.net www.ucl.ac.uk UCL is consistently ranked as one of the world's very best universities. As a multi-faculty, research-intensive university in central London, our research helps tackle global challenges and feeds directly into outstanding degree programmes. Visit us at www.ucl.ac.uk
1:29
Prokaryotic And Eukaryotic Cells
Prokaryotic And Eukaryotic Cells
Check us out at www.tutorvista.com As you have already learned, everything that lives is made up of cells. And the cells themselves are made up of many different parts right down to their molecules. In fact, what scientists call the universal principle of life is defined as the specific interaction of molecules with one another. Now lets find out a little more about cells and molecules. There are many different cells that do many different things. But all of these cells fall into one of the two main categories: prokaryotic cells and eukaryotic cells. These cells are more alike than they are different. So first lets talk about what prokaryotic and eukaryotic cells have in common. •Both have DNA as their genetic material (its DNA that tells cells what kind of cells they should be). •Both are covered by a cell membrane. •Both contain RNA. •Both are made from the same basic chemicals: carbohydrates, proteins, nucleic acid, minerals, fats and vitamins. •Both have ribosomes (the structures on which proteins are made). •Both regulate the flow of the nutrients and wastes that enter and leave them. •Both have similar basic metabolism (life processes) like photosynthesis and reproduction. •Both require a supply of energy. •Both are highly regulated by elaborate sensing systems ("chemical noses) that make them aware of the reactions within them and the environment around them.
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Transcription
Transcription
NDSU Virtual Cell Animations Project animation 'Transcription'. For more information please see vcell.ndsu.edu Transcription is a vital process in biological lifeforms. It is through this process that the biological roadmap encoded in a strand of DNA is used to produce a complementary RNA copy. The RNA can then go on to help produce the proteins and enzymes that power living organisms.
3:54
Biology: Eukaryotic Gene Control: Transcriptional
Biology: Eukaryotic Gene Control: Transcriptional
www.mindbites.com for a bundle of videos on Controlling Eukaryote Protein Synthesis. For an even broader bundle of videos that cover Molecular Genetics and Controlling Eukaryote Protein Synthesis, check out www.mindbites.com . To search for topic-specific help in our library of 400+ video products for Biology, please refer to our Biology category at: www.mindbites.com . To check out our full Biology video course, with 390+ videos included, refer to: www.mindbites.com . Or, for access to this single video, go to: www.mindbites.com .
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EUKARIOTIC TRANSCRIPTION
EUKARIOTIC TRANSCRIPTION
Molecular Biology Laboratory Agricultural Genetics Institute Vien Di truyen Nong Nghiep Tuliem, Hanoi VIETNAM
3:32
Eukaryote Morpho
Eukaryote Morpho
Lyrics, Vocals and Animation by Uno de los Reyes A parody of "Dare to Be Stupid" by Weird Al Not to be cited as a scholarly reference. So now you know the difference between The prokaryote and eukaryote cells It's time to determine the many functions Of eukaryotic organelles The...
3:00
Biology: Prokaryotes vs. Eukaryotes
Biology: Prokaryotes vs. Eukaryotes
www.mindbites.com for a bundle of videos on Cell Biology Basics. For an even broader bundle of videos that cover Cell Biology, check out www.mindbites.com . To search for topic-specific help in our library of 400+ video products for Biology, please refer to our Biology category at: www.mindbites.com . To check out our full Biology video course, with 390+ videos included, refer to: www.mindbites.com . Or, for access to this single video, go to: www.mindbites.com .
1:52
Learn Biology: Cells—Eukaryotic Cells and Animal Cells vs. Plant Cells
Learn Biology: Cells—Eukaryotic Cells and Animal Cells vs. Plant Cells
Get Free iOS apps by email! bit.ly In this biology lesson from Mahalo.com, adjunct professor Mary Poffenroth discusses the differences between animal and plant cells. Poffenroth focuses mainly on the aspects of plant cells that are not present in animal cells such as rigid cell walls, chloroplasts, and vacuoles. For more biology tutorials, visit the Mahalo.com YouTube channel. All cells perform a few basic functions including the production of proteins, energy refinement and reproduction. www.youtube.com cells contain a membrane-bound nucleus that houses the cell's DNA and they all contain membrane-bound organelles such as mitochondria.www.youtube.com amongst eukaryotic organisms, plant cells and animal cells have many significant differences. One of the major differences between plant and animal cells is that animal cells are heterotrophic, which means they must gather energy from their environment. Meanwhile, plant cells are autotrophic, which means they can create their own food. www.youtube.com cells can create their own food because they are photosynthetic, they convert light energy into chemical energy using chloroplasts, an organelle that only plants have.biology.clc.uc.edu Plant Cells --------------------------------------------------------------------- Plant cells produce their own food through photosynthesis.www.youtube.com Photosynthesis is the conversion of light energy into chemical energy, and the organelles that allow plants to accomplish this feat are <b>...</b>
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Preinitiation Complex in Eukaryotes
Preinitiation Complex in Eukaryotes
Steps in formation of the preinitiation complex, including the roles of TBP, general transcription factors, promoter-proximal elements, and enhancers. This assumes a TATA promoter; lots of eukaryotic promoters do not contain the TATA sequence.
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Eukaryotic Cell and Organelle PhotoStory
Eukaryotic Cell and Organelle PhotoStory
This photostory shows various organelles and their functions
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Inner Structure of an Eukaryotic Cell
Inner Structure of an Eukaryotic Cell
Electron cryotomographic reconstruction of an Ostreococcus tauri cell (a photosynthetic eukaryote). The three-dimensional reconstruction of a single cell is shown slice-by-slice, from which the segmented model emerges in a second pass. After the various subcellular organelles are identified, the substructure of first the Golgi body and then the mitochondrion are shown in isolation, including the position and shape of the cristae junctions. Citation: Henderson GP, Gan L, Jensen GJ (2007) 3-D Ultrastructure of O. tauri: Electron Cryotomography of an Entire Eukaryotic Cell. PLoS ONE 2(8): e749. doi:10.1371/journal.pone.0000749 Copyright: © 2007 Henderson et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Freely available at www.plosone.org
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Control of Gene Expression in Eukaryotes.avi
Control of Gene Expression in Eukaryotes.avi
It describes different ways in which a cell can control its gene expression,,,,,,
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Biology: The Eukaryotic Cell Cycle
Biology: The Eukaryotic Cell Cycle
www.mindbites.com for full video. www.mindbites.com for a bundle of videos on the basics of the Cell Cycle and Mitosis. For an even broader bundle of videos that cover Cell Reproduction and Cell Cycle & Mitosis Basics, check out www.mindbites.com . To search for topic-specific help in our library of 400+ video products for Biology, please refer to our Biology category at: www.mindbites.com . To check out our full Biology video course, with 390+ videos included, refer to: www.mindbites.com . Professor Wolfe gives an overview of the full cycle of eukaryotic cells. There are consistencies in the cell cycles of almost all eukaryotic cells. Why do cells divide? All the cells divide to maintain their volume to surface are ratio. When cells divide, the genetic information in the offspring cells must be identical to the genetic information in the parent cell, so this genetic information must first be organized and doubled. This process is called 'packing' and forms chromasomes, which are 2 molecules of identical DNA. Ninety percent of a cell's life cycle is spent in the period called "interphase," which is where the cell grows (known as the G1 or Gap 1 phase), DNA replicates (known as the S phase for DNA synthesis), and the cell prepares to divide (known as the G2 or Gap 2 phase). A eukaryotic cell will only spend ten percent of its life cycle dividing, or "replicating." Taught by Professor George Wolfe, this lesson was selected from a broader, comprehensive course, Biology.