Science
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4,610 Essays on Science. Documents 1,561 - 1,590
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Extennsa Proposal
Executive Summary Newbot Corporation needs a clear and powerful strategy on how to market Extenssa to surgeons and anesthesia professionals as this product has the potential to revolutionize the treatment of high blood loss surgeries. Over the years, medical practitioners have stressed the vital need for strong plasma volume expanders to eliminate the risk of hypovolemia or high blood loss during open heart surgeries, accidental trauma surgery and other high risk surgical procedures. The leading
Rating:Essay Length: 692 Words / 3 PagesSubmitted: January 25, 2010 -
Extinction and Its Impacts
Extinction is the ceasing of a species to exist on this Earth. A species officially becomes extinct when all of the species no longer exists. A species is to become certainly extinct when there is an extremely small number of it and it is unable to reproduce to create more of itself. Therefore, we say a species is in for certain extinction if it cannot reproduce itself. Extinctions occur at a great pace and species
Rating:Essay Length: 2,044 Words / 9 PagesSubmitted: January 15, 2010 -
Extinction of Dinosaurs
Extinction of Dinosaurs Two-hundred and thirty million years ago the first dinosaur-like creature roamed the earth. Dinosaurs were a very successful and diverse group, dominating the terrestrial environments of the earth for 160 million years. The apparently sudden mass extinction of dinosaurs marks the boundary between the Cretaceous and Tertiary periods. Though there is not one definitive explanation to explain dinosaurs’ extinction, there are various theories that attempt to account for the mystery of their
Rating:Essay Length: 960 Words / 4 PagesSubmitted: November 20, 2009 -
Extinction of Great Apes
The great apes are humankind’s closest relatives. Great apes include gorillas, chimpanzees, orangutans, and bonobos, which are also known as pygmy chimps. At the turn of the century, there were approximately one million chimpanzees in Africa. This number has declined down to 150,000. Mountain gorillas have halved in size over the last ten years, leaving only 320 to roam the trees of their homeland. Some say these great apes will face extinction within a decade.
Rating:Essay Length: 1,063 Words / 5 PagesSubmitted: March 21, 2010 -
Extra Credit Assignment
Stephanie Zeibak 10.13.15 Dr. Ribes Extra Credit Assignment John H. Blaffer lecture series at MD Anderson featured Dr. Vicki Lindblad in her lecture discussing “Maintaining Telomere Homeostasis: The Intersection Between Telomerase and DNA Replication”. Basic concepts that were introduced during the lecture and that should be known before continuing is what telomeres are, what telomerase is, and what is DNA replication. Telomeres, which are the ends of chromosomes, are important for genome stability and cell
Rating:Essay Length: 512 Words / 3 PagesSubmitted: October 26, 2015 -
Extracting Dna from Strawberry
Extracting DNA from strawberry The extraction solution is necessary to extract the DNA from strawberry. So, the main materials are the dish soup, salt and water. Dish soap is used to break the cell membrane of strawberries because the function of dish soap is consisting of hydrophilic and hydrophobic end which means it can easily break the cell membrane and nuclear membrane (Phospholipid bilayer). The DNA will be exposed to the extracting solution due to
Rating:Essay Length: 516 Words / 3 PagesSubmitted: April 7, 2019 -
Extraction of Dna from Calf or Hog Thymus/isolation of Yeast Rna
Extraction of DNA from Calf or Hog Thymus/Isolation of Yeast RNA I. Abstract Nucleic acids may be divided into two groups RNA and DNA. DNA contains almost all the genetic information while RNA serves as the bridge between the DNA and proteins. Study of both DNA and RNA initially involves proper extraction/isolation. The storehouse of eukaryotic DNA is the nucleus (and in the mitochondria), so experimentally, DNA is extracted from tissues that have a high
Rating:Essay Length: 480 Words / 2 PagesSubmitted: December 9, 2009 -
Extraction of Dna from Calf or Hog Thymus/isolation of Yeast Rna
Extraction Of Dna From Calf Or Hog Thymus/Isolation Of Yeast Rna Submitted by wasabi on July 5, 2006 Category: Science Words: 3228 | Pages: 13 Views: 226 Popularity Rank: 31,078 Average Member Grade: N/A (Add a Comment / Grade this Paper) Extraction of DNA from Calf or Hog Thymus/Isolation of Yeast RNA I. Abstract Nucleic acids may be divided into two groups RNA and DNA. DNA contains almost all the genetic information while RNA serves
Rating:Essay Length: 336 Words / 2 PagesSubmitted: January 3, 2010 -
Exxon Oil Spill
Oil spills have often occurred too many times in this world. Unfortunately, when this does happen, there is always losses of life. Many people are affected by it. There is always a price to pay. On March 24, 1989 the Exxon Valdez oil tanker spilt all its oil into the ocean. Going about twelve miles per hour, the doubt of a oil spill was highly unlikely. But, when the oil tanker hit Bligh Reef in
Rating:Essay Length: 1,061 Words / 5 PagesSubmitted: March 9, 2010 -
Exxon Valdez
At four minutes past midnight, on March 24, 1989 the Exxon Valdez crashed into the Bligh Reef located in the northeastern part of the Prince William Sound. The ship was loaded with 1,264,155 barrels of oil. Approximately one-fifth of the cargo was spilt into the sea, which totaled to 11.2 million gallons. Due to strong northeastern winds the oil could not be contained, leaving the water into an emulsion that will not burn and is
Rating:Essay Length: 512 Words / 3 PagesSubmitted: April 21, 2010 -
F Team - Managing Multicultural Teams
[junkun luo], Essay #[2] MGT 18 / [07/29/2018] As the most experienced and successful racing team in the most advanced auto racing event, the F team seems to struggle a lot when regulations of the racing event have been revolutionized since 2008. In the old era when all racing cars were powered by pure petrol engine, F team was insurmountable and constantly take first place of the podium; however, after the league enforced the hybrid
Rating:Essay Length: 1,539 Words / 7 PagesSubmitted: April 18, 2019 -
F-22 Raptor and the F-35 Lightning Ll
Munnigh The F-22 Raptor and The F-35 Lightning ll 1. Thesis: The F-22 Raptor and the F-35 Lightning ll, have similarities and differences in engine type, the aerodynamics, and the types of fuel it needs. 2. Engine type 1. The F-22 engine is called Pratt & Whitney F119 1.Designed by Lockheed Martin. 2. Is an afterburning turbofan engine. B. The F-35 Lightning engine is called Pratt & Whitney F135. 1. Also designed by Lockheed Martin.
Rating:Essay Length: 270 Words / 2 PagesSubmitted: October 10, 2016 -
Fact, Not Science Fiction
What the world needs is fact, not science fiction. we have enough problems of our own to deal with, we don’t need to worrry about different worlds, aleins and disasters that may not even happen. science fiction is a waste of time. Science fiction is something we hear about day in day out. But do we really need it? In this essay I will be answering just that question. The definition of Science Fiction is:
Rating:Essay Length: 567 Words / 3 PagesSubmitted: December 9, 2009 -
Fact: Middle Children Have It Hard
“Fact: Middle children have it hard” Bello, Fausat Child Development 1 Hammond, Online education Name: Lindsey Age: 15 Grade: 11 Household #: 5 Siblings: 3 Other : Middle child 1. Your favorite nickname? Fritz 2. Do you have any pets? Yes, two rabbits. 3. What is your favorite color? Black & pink 4. What is your favorite scent? Vanilla & strawberry 5. What's your favorite drink? Red Wine 6. What food do you hate?
Rating:Essay Length: 1,559 Words / 7 PagesSubmitted: November 30, 2009 -
Factors Affecting Reaction Rate
Factors Affecting Reaction Rate Purpose: The purpose of this lab is to determine the effect that varying concentration / temperatures have on the rate of a reaction. determine the effect that varying concentration/temperatures have on the rate of a reaction. Material/equipments: 3 beakers A strip of magnesium Kettle Metric ruler 4 test tubes Sciccors Ice Test tube rack Thermometer 4 different M HCl (0.5, 1.0, 3.0, 6.0) Procedure: Part 1 Effect of Concentration on Reaction
Rating:Essay Length: 1,150 Words / 5 PagesSubmitted: December 3, 2017 -
Factors Affecting Reaction Rates
Belina Jang Sep 19th 2017 Factors Affecting Reaction Rates Objective: To determine the affect that concentration, nature of reactants, temperature and the use of a catalyst can have on reaction rates. Materials: See each part of procedure in lab text pg.1 Procedure: As in lab text pg.1 Data and Observations: Table 1: Concentration [HCl] Volume H2 produced (mL) Time (s) Rate (mL H2/s) 2.0 54.8 91 0.60 3.0 49.8 35 1.4 6.0 51.4 15 3.4
Rating:Essay Length: 575 Words / 3 PagesSubmitted: January 9, 2018 -
Factors Influencing Investment Decision
Factors influencing investment decision Capital investment decisions are not governed by one or two factors, because the investment problem is not simply one of replacing old equipment by a new one, but is concerned with replacing an existing process in a system with another process which makes the entire system more effective. We discuss below some of the relevant factors that affects investment decisions: (i) Management Outlook: lf the management is progressive and has an
Rating:Essay Length: 636 Words / 3 PagesSubmitted: April 26, 2011 -
Factors That Affect Yeast Fermentation
Kendal Newman Bio 1C – 8 am Ernst Factors that Affect Yeast Fermentation Introduction For thousands of years humans have been using the process of yeast fermentation to produce bread, alcoholic beverages, and more recently fuel. When access to oxygen is decreased, some fungi – like yeast – use the process of alcoholic fermentation (Ho 2010). This common procedure is achieved through the process of glycolysis, a series of reactions in which glucose is broken
Rating:Essay Length: 1,923 Words / 8 PagesSubmitted: May 8, 2018 -
Factors, Impacts and Prevention of Gully Erosion
Factors, Impacts and Prevention of Gully Erosion Submitted by: Ramirez, Eunice G. 2011-65121 A term paper submitted In partial fulfillment of the requirements in ABE 73 Soil and Water Conservation Engineering Date Submitted: April 13, 2016 ________________ GULLY EROSION Soil erosion is one of the critical phenomenon that is studied in the field of soil and water conservation engineering. Specifically, runoff erosion that has sub-processes which are detachment and transport. Accounting the temporal aspect of
Rating:Essay Length: 1,633 Words / 7 PagesSubmitted: May 20, 2016 -
Fair and Lovely Case Analysis
Discussion of the case: - cultural norms, Fair and lovely and advertising According to my opinion its is not ethical to sell the product that is at best, only mild effective because at a spur of the moment the consumer one feel it is the best but as the time goes on one understands the difference and realizes that their trust and loyalty with implicit understanding have been impeached and this may affect the brand
Rating:Essay Length: 633 Words / 3 PagesSubmitted: January 13, 2010 -
Fall Risk Factors
Patient safety is one of the nation's most imperative health care issues. A 1999 article by the Institute of Medicine estimates that 44,000 to 98,000 people die in U.S. hospitals each year as the result of lack of in patient safety regulations. Inhibiting falls among patients and residents in acute and long term care healthcare settings requires a multifaceted method, and the recognition, evaluation and prevention of patient or resident falls are significant challenges
Rating:Essay Length: 1,453 Words / 6 PagesSubmitted: November 22, 2009 -
Famous Biologist - Gregor Mendel
Report : Gregor Johann Mendel was born to a German-speaking family on July 22nd, 1822 in the small agrarian town of Heizendorf, Austria. He was the second child of peasant parents Anton and Rosine Mendel. At a young age, Mendel worked as a gardener where his love for plants and nature began. As a child, Mendel grew up on an orchard and farm which in fact were early influences on his studies. Gregor began his
Rating:Essay Length: 865 Words / 4 PagesSubmitted: May 20, 2010 -
Famous Primatologists
The closest living relative to humans are primates. The study of primates and their behaviors is primatology. Primatology provides a better understanding of the many aspects of the research, preservation and conservation of primates. The field of primatology has been fortunate to have several outstanding scientists, among them Jane Goodall, the late Dian Fossey and Birute Galdikas. Each of them has accomplished considerable works documenting and interpreting the lives of chimpanzees, gorillas and orangutans. Jane
Rating:Essay Length: 1,065 Words / 5 PagesSubmitted: November 11, 2009 -
Faraday’s Law
PHY 2049 Faraday’s Law 1) ABSTRACT: Relative motion between a magnetic field and a conductor are needed to create a voltage within the conductor. For current to flow the conductor must be a complete loop, if not the current will not flow. 2) THEORY: Faraday’s Law ( V = -N(Df/Dt) ) 3) PROCEDURE: A. A coil is connected to a galvanometer, completing the loop. A magnet is passed through the coil. B. A coil
Rating:Essay Length: 418 Words / 2 PagesSubmitted: November 9, 2009 -
Farming: Subsistence: Rice Growing in India and Commercial: Rubber Plantation in Cambodia
Farming Agriculture is the process of producing food, feed, fiber and other products by the cultivation of certain plants and the raising of domestic animals. The practice of agriculture is also known as "farming". There are many types of farming. They can be classified into many groups. The groups are Economic status, Specialization, Intensity of land use and land tenure. Economic Status includes subsistence farming and commercial farming. Subsistence is when the food produced is
Rating:Essay Length: 1,554 Words / 7 PagesSubmitted: May 19, 2010 -
Fast Food Nation
Fast Food Nation Eric Schlosser is the author who has written about the fast food industry and he presents many of his findings in the book “Fast Food Nation”. However, his book is not merely an expose of the fast food industry but is even more a consideration of how the fast food industry has shaped and defined American society in America and for other nations as America exports its fast food culture to others.
Rating:Essay Length: 864 Words / 4 PagesSubmitted: June 7, 2010 -
Fatigue
What is fatigue? One definition states, “fatigue is a period of mental or bodily activity; characterized by a lessened capacity for work and reduced efficiency of accomplishment usually accompanied by a feeling of weariness, sleepiness or irritability.” Simply stated, fatigue is the body and mind weakening due to certain factors such as stress, lack of sleep and physical exertion. These by themselves or in combination can diminish a pilot’s productivity. In this paper I will
Rating:Essay Length: 840 Words / 4 PagesSubmitted: November 15, 2009 -
Faulty Experimental Design
The following article was published by Reuters and contains a serious methodological flaw. "WASHINGTON (Reuters) -- Brain scans show that the brains of people who are lying look very different from those of people who are telling the truth, U.S. researchers said on Monday. The study, using functional magnetic resonance imaging or fMRI, not only sheds light on what goes on when people lie but may also provide new technology for lie-detecting, the researchers said.
Rating:Essay Length: 466 Words / 2 PagesSubmitted: April 22, 2010 -
Fdg
Title: Hypothesis: Data: Mass of Aluminum: 0.23g Mass of Filter paper: 0.85g Mass of Filter and Copper: 2.97g Mass of copper: 2.12g Percent Yield: 2.23/27*3/2*63.5= 0.23g 2.12/0.811*100=262% Observations: As soon as we put the sheet of AL into the Chlorine solution. The Cl started to form little air bubbles. The Al started to fizz and disintegrated rapidly. The AL started to form rust all over the sheet eventually covering the entire sheet. The CL liquid
Rating:Essay Length: 376 Words / 2 PagesSubmitted: January 2, 2010 -
Febrile Seizures: What Every Parent Should Know
Febrile Seizures: What Every Parent Should Know By Herbert Macomber 1. What is a febrile seizure? Febrile convulsions (FC) or seizures (FS) are clonic or tonic-clonic seizures that most often occur in infancy or childhood, mainly occurring between four months and six years of age, with fever but without evidence of intracranial infection, antecedent epilepsy, or other definable cause. That is why they are often referred to as "fever seizures" or "febrile seizures." Most of
Rating:Essay Length: 1,971 Words / 8 PagesSubmitted: December 11, 2009