Atoms Essays and Term Papers

Nucleic Acids

DNA is the single most important molecule found within cells. It is a stable polynucleotide, which contains coded information for inherited characteristics. It is contained in chromosomes in the nucleus of an eukaryot cell. The essential features of the Watson-Crick model are summarised below. 1. ...

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Fossil Fuel Consumption, CO2 And Its Impact On Global Climate

Background: At the beginning of human history, we had to satisfy our energy needs (for food, heat and movement) by using our own muscle power and gathering or hunting naturally available plants, animals and wood. Each stage in the evolution of human society (the development of farming, ...

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Lasers

The laser is a device that a beam of light that is both scientifically and practically of great use because it is coherent light. The beam is produced by a process known as stimulated emission, and the word "laser" is an acronym for the phrase "light amplification by stimulated emission of ...

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Nuclear Physicists And The Development Of A Nuclear Bomb

Scientists in the 1930s, using machines that could break apart the nuclear cores of atoms, confirmed Einstein's formula E=mc˛ . The release of energy in a nuclear transformation was so great that it could cause a detectable change in the mass of the nucleus. But the study of nuclei -- in those ...

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Cryogenics And The Future

Cryogenics is a study that is of great importance to the human race and has been a major project for engineers for the last 100 years. Cryogenics, which is derived from the Greek word kryos meaning "Icy Cold," is the study of matter at low temperatures. However low is not even the right word for ...

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Comets

have been witnessed ever since man has been speculating about objects in the nighttime sky and appear in records from the beginning of recorded civilization (Schweighauser 20). are made up of four distinct features. The first is the nucleus. The nucleus is made up of frozen gases, mostly ...

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Marie Curie

Though she died many years ago, is still one of the greatest names of science to this date. She made her mark in 1898 when she, and her husband Pierre, announced the discovery of two new elements, polonium and radium. Five years later they shared the Nobel Prize in physics. was the first female ...

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Mass And Science

Mass is the amount of matter in an object. When you record mass the unit you use is grams. A medium sized leaf is about 1 gram, a potato chip 2 grams. A larger unit of mass is a kilogram. A kilogram is about the mass of a medium sized textbook. You need a balance to find mass. There are many kinds ...

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A Chemist

Becoming takes a lot of hard work and discipline. One very importan aspect of being is English, Comunication is of the utter most importance (Murphy). As well as having good communication skills, you also need a lot of patience. However, there are many other qualities you will need such as an ...

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Cryogenics And The Future

Cryogenics is a study that is of great importance to the human race and has been a major project for engineers for the last 100 years. Cryogenics, which is derived from the Greek word kryos meaning "Icy Cold," is the study of matter at low temperatures. However low is not even the right word for ...

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Acetylation Of Ferrocene

Experiment #7 Introduction In this lab we will be utilizing the Friedel Crafts process of acetylation of ferrocene. Ferrocene is an atom of iron bounded by two aromatic rings. We will use some reagents that will cause the ferrocene to add either one acetyl group to an aromatic ring or add two ...

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What Effect Does Aging Have On Memory?

? ‘It seems, then, that we owe to memory almost all that we either have or are; that our ideas and conceptions are its work, and that our everyday perception, thought, and movement is derived from this source. Memory collects the countless phenomena of our existence into a single whole; and, as ...

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Dna 2

In the last 10 years, there has been some scientific leaps concerning diabetes, and genetic engineering. The increasing incidence and diagnostic detection of diabetes worldwide coupled with changing trends in the food animal market stimulated people to seek alternative sources of insulin ...

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The Making Of The Cat

------------------------ Soup or Sandwich IN THE VERY BEGINNING, about 4.6 billion years ago (give or take a few years), a small ball of rock, water and gas had come to be and immedi- ately set about the process of combining its atoms into more and more complex arrangements. Thus began that ...

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Fermentatiom By Yeast

Fermentation of glycine, water, sucrose, galactose, and glucose as induced by yeast. This lab attempted to find the rate at which Carbon dioxide is produced when five different test solutions: glycine, sucrose, galactose, water, and glucose were separately mixed with a yeast solution to produce ...

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Black Holes

are objects so dense that not even light can escape their gravity, and since nothing can travel faster than light, nothing can escape from inside a black hole . Loosely speaking, a black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object to ...

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Fusion Energy

A fusion reaction is one in which two atomic nuclei merge to form a heavier nucleus. this is the process that happens in in the stars. In average stars, like the sun, the process of fusion is converting hydrogen nuclei (or protons) into helium nuclei. There is an enormous amount of kinetic ...

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The Atmospheric Ozone Layer

The stratospheric ozone layer exists at altitudes between about 10 and 40km depending on latitude, just above the tropopause. Its existence is crucial for life on earth as we know it, because the ozone layer controls the absorption of a portion of the deadly ultraviolet (UV) rays from the sun. ...

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Nuclear Powernuclear Power

Most of the world’s electricity is generated by either thermal or hydroelectric power plants. Thermal power plants use fuel to boil water which makes steam. The steam turns turbines that generate electricity. Hydroelectric power plants use the great force of rushing water from a dam or a ...

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The Transition Of Power From President To President

Throughout time there has been a transition of power from one individual to another. This has been a time honored tradition that takes place every four years. This remarkable tradition is formally known as the United States Presidency. Every four years there is an election to guarantee that ...

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