that diatomic molecules make up majority of the Earth’s atmosphere? The prefix “di” means ‘’two’’ in Greek‚ so these diatomic molecules are made up of two atoms. In this lesson‚ we will discuss diatomic molecules and go over some examples. !!!What is a Diatomic Molecule? Diatomic molecules are all around us. The Earth’s atmosphere is mainly composed of about 78% oxygen and 21% nitrogen. The oxygen and nitrogen present in the atmosphere are both in the form of ‘’diatomic molecules’’‚ as shown below:
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plasmid DNA and analysis of isolated plasmid Introduction: A plasmid is an autonomously replicating extra-chromosomal genetic element. In other words‚ this is a DNA molecule external to the bacterial chromosome that is able to replicate on its own and distribute its daughter molecules to daughter cells. You have successfully cloned a fragment of chromosomal DNA containing a tetracycline resistance cassette into a plasmid (pET11a). To this end you have (1) isolated total chromosomal DNA from your
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Homework # 1 DNA 2. Name the four differences between RNA and DNA. 1) DNA is double stranded‚ RNA is single 2) DNA has Adenine‚ Guanine‚ Thiame‚ and Cytosine as nitro bases. With RNA‚ anywhere you would expect to see Thaime‚ you see Uracil instead. 3) DNA has no types‚ RNA has 3 types: mRNA‚ rRNA‚ and tRNA. 4) DNA and RNA have different sugars. 3. For the following DNS strand‚ provide the replicated strand : GATTACACATTAG CTAATGTGTAATC 4. For the following DNA sequence provide
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Classes of Organic Molecules The Molecules of Life -the critically important large molecules of all living things fall into 4 main classes: 1) _____________________ 2) _____________________ 3) _____________________ 4) _____________________ -macromolecules are ____________________‚ built from _____________________ -________________: a long molecule consisting of many similar or identical ______________ blocks linked by __________________ bonds -___________________: smaller molecules that serve as the
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Cl-18). COVALENT BONDS: form when two atoms share one or more pairs of outer-shell electrons (ex: methane=CH4‚ Carbon with 4 hydrogen molecules attached to its outer shell‚ because carbon has 4 spots open in its outer shell).HYDROGEN BONDS: in water‚ H2o‚ the 2 hydrogens share electrons with the 1 oxygen‚ making oxygen slightly – and hydrogen slightly + (a polar molecule is one with an uneven distribution of charge)‚ these opposing charges attract each other. 7. Water is structured so that the (-)part
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America’s Smoke Screen- My Portion (Alice McDowell-Bryant) This paper will examine the history of the tobacco industry and its advertising campaigns from the 1920s to the present. Some of the issues discussed in this paper will include: What forms of mass communication has tobacco companies used to persuade the public‚ how changes in technology have influenced the way tobacco companies communicate with target audiences‚ and how the United States government restrictions affect the current
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Extracting DNA from Wheat Germ Cells Criteria to be assessed CE Introduction: DNA is the abbreviation for deoxyribonucleic acid. DNA is found in the nucleus of every cell & it stores the information that makes up living organisms. It is a double helix of 4 nucleotides. It contains a code that allows the body to make up proteins. The nucleotides are Cytosine‚ Guanine‚ Adenine and Thymine. (1) Wheat germ comes from wheat seeds. The ’ germ ’ is the embryo‚ which is the part of
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Write an analysis of the opening sequence of Bullet Boy. Consider how the film has an impact on the audience using film language. In the opening sequence of Bullet Boy the audience is introduced to three of the main characters: Ricky‚ Curtis‚ Wisdom and Godfrey. We find out some background‚ such as the fact that Ricky was in prison and that Wisdom is wearing a scar’ for Ricky. Straight from the outset enigmas are being raised. Why was Ricky in jail? Why is Curtis so eager to see his brother
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DNA as a Key Witness Criminals‚ often unknowingly‚ leave parts of themselves behind. These pieces are not always visible to the untrained eye. Hair‚ skin‚ blood‚ and fingerprints all contain elements that are unique to each person. It is with DNA testing and fingerprinting‚ that criminals can be identified and crimes can be linked. This system of testing and matching has become the “most essential and reliable method of catching criminals” in the United States (Lynch 67). Advancing technology
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sapiens who were mutual parents in the past. When we compare one another genetically‚ we both possess 99.9% of genome sequence identical. It depicts that we all originated from a same blood and entirely related to one another. If we track our ancestors‚ long way behind we will find the same parents in our genome identity. Miraculously‚ the remaining one tenth of the DNA sequence is the genome that makes us what we are and an identical around the globe. That one tenth percent changes our appearance
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