PageOut® Quick-Assessment Preview http://hawwat.pageout.net/page.dyn/instructor/assessment/quick_assessme... Quick-Assessment Review BIO Instructions BIO Go to : http:// This assessment is worth 30 points. 1. The Shine-Dalgarno sequence is a (1 point) a. b. prokaryotic mRNA sequence that binds lF-3. prokaryotic mRNA sequence that binds the 16S rRNA of the small ribosomal subunit. prokaryotic mRNA sequence that binds the 16S rRNA of the large ribosomal subunit. eukaryotic rRNA sequence
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The Process of Evolution Drives the Diversity and Unity of Life: An Essay Evolution‚ the changing of organisms to better fit their environment‚ is the driving force in life’s diversity. Though not widely accepted‚ due to religious beliefs of the origin of life on Earth‚ evolution is known to many scientists as the most important way to understand biology. According to Theodosius Dobzhansky‚ “Nothing in biology makes sense except in the light of evolution.” Though this may not technically
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Radioactive dating Isotope: Carbon-14 |Name |radiocarbon‚14C | |Neutrons |8 | |Protons |6 | |mass
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The Iron-Carbon Diagram There are two iron-carbon equilibrium diagrams: - stable iron-graphite Fe-Gr - metastable iron-cementite Fe-Fe3C The stable condition usually takes a very long time to develop. The metastable diagram is of more interest. Fe3C iron carbide called cementite because it is hard. Following phases exist on Fe-Fe3C diagram: - liquid solution of iron and carbon (L) - ferrite ( ) – an interstitial solid solution of carbon in Fe (bcc). At room temperature ferrite is ductile but
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Essay on Gobal Warming and America ’s role. America’s Carbon Footprint Joseph N. Flowers Jr. COM/172 November 12‚ 2012 Judith Scharle America’s Carbon Footprint Florida will be the next lost city of Atlantis! That can be imagined when reading statistics from scientists predicting that in fewer than 100 years‚ most of southern Florida will be under water because of global warming (Wilbur‚ 2011). Global warming is the rising of the Earth’s temperature because
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Chemical Bonding and Molecular Structure 53 I. Structure of Matter (20%) B. Chemical bonding 1. Binding forces a. Types: ionic‚ covalent‚ metallic‚ hydrogen bonding‚ van der Waals (including London dispersion forces) c. Polarity of bonds‚ electronegativities 2. Molecular models a. Lewis structures TYPES OF CHEMICAL BONDING Ionic Bonding - two atoms of opposite charge electrically attracted to one another Covalent Bonding - two atoms each sharing electrons within a molecular orbital Metallic Bonding
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Carbon Footprint Analysis Background Every year in the U.S. over 3.2 billion metric tons of carbon dioxide emissions are released into the air‚ most of which are from human activities. The increased levels of carbon dioxide has been shown to cause global climate change (global warming). So how can you personally have an impact on global warming and the sustainability of the environment? First‚ you need to recognize how you contribute to the problem. Then you need to figure out how you can reduce
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Dracca became aware that one of its competitors‚ TrendBaby‚ Inc.‚ was soliciting information from one of Dracca’s employees‚ Bob Shumaster. Shumaster was apparently detailing product assembly information that was unique to Dracca and explaining to TrendBaby how this assembly strategy saved Dracca thousands of dollars each month. Dracca discovered that TrendBaby actually hired Shumaster to provide this information‚ and that Shumaster was using Dracca company computers to relay the proprietary information
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commentary The boundless carbon cycle Tom J. Battin‚ Sebastiaan Luyssaert‚ Louis A. Kaplan‚ Anthony K. Aufdenkampe‚ Andreas Richter and Lars J. Tranvik The terrestrial biosphere is assumed to take up most of the carbon on land. However‚ it is becoming clear that inland waters process large amounts of organic carbon and must be considered in strategies to mitigate climate change. A tmospheric carbon dioxide concentrations increased from ~280 ppm before the industrial revolution to over 384
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CENTRAL DOGMA OF MOLECULAR BIOLOGY Molecular Biology Laboratory‚ Biological Sciences Department College of Science and computer Sciences‚ De La Salle University-Dasmarinas ABSTRACT: The central dogma of biology holds that genetic information normally flows from DNA to RNA to protein. In the experiment‚ DNA and RNA bead kits were used. Different coloured beads correspond to different nitrogenous bases‚ sugars and phosphates. Different structures of DNA and RNA were formed based on the sequences
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