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chemical reactions occurring in cells Essay Examples

393 total results

A Short Index of Problems That Occurred in Wars (454 words, 1 pages)

The Trenches Dug in to house men before the decisive battle. But they were stalemated and the trenches were around for years. German trenches were up to 12 metres deep and used concrete to reinforce. British were never as good - they preferred to be offensive and didn't expect the ... Read More

Importance of Enzymes in Biological Reactions (418 words, 1 pages)

Enzymes are biological catalysts. They increase the speed of a reaction, without being affected or altered themselves. Our bodies contain hundreds of enzymes, each catalysing a particular reaction (increasing the reaction's speed), by reducing the amount of energy required to activate the reacting molecules - the activation energy. Enzymes are ... Read More

Love – a Chemical Reaction or a State of Spirit? (298 words, 1 pages)

I don't think that someone might ever be loved excessively. Everyone should be loved beyond measure. Love becomes excessive when it isn't shared every gesture towards the one who doesn't love becomes embarrassing. There's no fault in the fact that you don't love and there's no merit in the fact ... Read More

A Paper on Chemical Warfare (2632 words, 5 pages)

Chemical Warfare 1.0 What are Chemical Warfare Agents? Chemical weapons include any chemical substance, whether in a gaseous, liquid, or solid state, which can be used to cause loss of performance, permanent injury, or death in humans. These chemicals are commonly man-made toxicants, however, there is increasing research in the ... Read More

A Paper on the Chemical Element Bromine (285 words, 1 pages)

The element Bromine, is a red liquid which is explosive at room temperature and has a red brown vapour. It has an atomic number of 35 and an atomic mass of 79.909. The melting point of Bromine is -7 deg.C and the boiling point is 58 degC with a relative ... Read More

The Advances in Stem Cell Research (586 words, 3 pages)

New Advances of Stem Cell Research Stem cells are non-specialized cells, which has the potential to generate a particular cell in the body. For the past decade, stem cell research is focuses on the embryonic stem cells and umbilical stem cells, which are from tissues of vitro embryos and umbilical ... Read More

Cell Phone Usage in the Classroom (1239 words, 4 pages)

Who does not have a cell phone these days? The amazing thing about cell phones is that they are no longer used just for calling and texting. According to these biopsychosocial model ...Over the last decade there has been a rapid diffusion of cellular technology. Though cell phone use began ... Read More

The Chemical Element of Lead (496 words, 2 pages)

Elements are substances that cannot be broken down by chemical means. There are 118 elements on the periodic table 92 of them occur naturally. The periodic table organizes chemical elements in rows by the order of their atomic number. Lead, whose chemical symbol is Pb, is an element that belongs ... Read More

Reactions to the Violation of Social Norms (1321 words, 4 pages)

Breaching Experiment The norm I chose to violate is shopping out of peoples shopping carts at a grocery store. When people go grocery shopping they get everything they need and put it in their cart. As we go shopping we expect others to not touch what we have on our ... Read More

The Bio Chemical Processes in Nature (1054 words, 5 pages)

1. This cycling is defined as the movement and conversion of nutrientsfrom inorganic to organic by biochemical function in the ecosystem. Mostof all, the life body needs to survive and is made by sulfur,phosphorous, carbon, oxygen, hydrogen, and nitrogen. Moreover, severalelements are required such as zinc, manganese, chlorine, iron, andcopper. ... Read More

Stem Cell Research Controversy (488 words, 2 pages)

In today's society, stem cell research creates a division between the possible and impossible of medicine. Stem cell research is research that can generate medicine from a cell to cure a specific disease or abnormality. It is thought to be the future medicine of this generation because of its reliability. ... Read More

Embryonic Stem Cell Research (1170 words, 4 pages)

Embryonic stem cell research is perhaps one of the most controversial topics of health and science that exists today. It is both a strongly supported and equally protested ethical issue. I too am on the fence about embryonic stem cell research. The controversy is fueled by unbending protest from pro-life ... Read More

The Evolution of Cell Phones (472 words, 1 pages)

Cell phones are electronic devices used for communications. Theyare just mobile forms of telephones. These inventions have comea long way since they had first been created, affectpeople inmany ways, and come in many different shapes and sizes fromdifferent companies.Its hard to imagine that the high-tech cell phones we are usedto ... Read More

Reactions to Crisis (625 words, 3 pages)

Mary got a phone call that her son was in the hospital after a terrible car accident. She hung up the phone in stunned silence. Eventually, she began searching for her car keys, but she felt as if she were moving in slow motion, as if she were swimming in ... Read More

Individual Reactions to Crisis (625 words, 3 pages)

An Overview of the Glial Cells, Its function, Structure, and Three Types of Cells (426 words, 1 pages)

Describe structure, and explain the function, of three types of glial cells.The nervous system is made up of two main classes of cells. These cells work in conjunction in order to process, evaluate and convey information to other cells and bodily processes. These cells are named neurons and glial, or ... Read More

An Overview of the Ultrastructure of Cells (2077 words, 6 pages)

Cell UltrastructurePlasma membraneThe plasma membrane is what surrounds a cell, made up of proteins, carbohydrates and phospholipids. The phospholipids position in a bilayer arrangement, containing hydrophilic heads and hydrophobic tails. The proteins are embedded within the phospholipid bilayer. They help with the transport of molecules across the membrane and have ... Read More

HeLa Cells: The Cell and DNA That Helped Saved Thousands of Human Lives (1052 words, 3 pages)

HeLa cells are grown in laboratories all over the world. These cells have helped develop the polio vaccine, gene mapping, cloning, and many more medical advances. Many people use these cells for various reasons on a day to day basis without knowing the person they came from. The woman was ... Read More

The Significance of Chemical Changes in Science (285 words, 1 pages)

Evidence for Chemical changeA chemical change is any change that results in the formation of new chemical substances. In the following experiment, a solution that begins with copper nitrate II will undergo a series of chemical changes. Examples of evidence for a chemical change include temperature change, color change, precipitate ... Read More

The Effects of Cell Phone Radiation on Cells (598 words, 3 pages)

Effects Cell Phone Radiation on CellsThe cell phone is a useful tool for communicating quickly with other individuals through vast distances. Because of this convenience, the cell phone has become a necessity in todays society, and the number of cell phone users worldwide is greatly increasing. It is known that ... Read More

A Lab Experiment on Exothermic Reaction (402 words, 2 pages)

MaterialsPotato chips, matches, crucible, beaker, wire gauze, ring stand, rulerProcedures1. Measure the mass of a potato chip and record it in the data table.2. Place the potato chip in an evaporating dish on the metal base of the ring stand. Position the ring and wire gauze so that they will ... Read More

A Reaction on the Corruption in the Philippine Government (706 words, 2 pages)

On Corruption in the Philippine Government A ReactionCorruption in the government is a real issue that the Philippines is experiencing today. Both the local and national governments are plague with cases of graft and corruption. It is no surprise to hear news reports of plundering of funds, the most famous ... Read More

A Short Overview of the Cell Cycle (343 words, 3 pages)

The cell cycle is the meticulous series of events that parent cells go through as they grow and divide their cellular material between two new daughter cells. It is composed of four vital phases, G1, S Phase, G2, and M Phase, that ensure the process completes smoothly. G1, S Phase, ... Read More

An Observation and Analysis of a Chemical Reaction (611 words, 2 pages)

Rates can be measured by determining the amount of the product formed per minute time. Our group observed the reaction . The ions in iodate ion (Solution A) and hydrogen sulfite ion (Solution B) are unable to be seen in the solution but the iodide ion formed by this reaction ... Read More

A Report on Five Experiments on Various Chemical Reactions (1642 words, 8 pages)

Background InfoChemical reactions are an everyday occurrence, but not everyone may realize that. There are six chemical reactions happening all around us, but this experiment will only focus on five. The different types of reactions are Single displacementreplacement, double displacementreplacement, synthesis, combustion, and decomposition. Some reactions happen to form new ... Read More

A Lab Report on the Chemical Changes and Reactions of Copper (722 words, 3 pages)

Copper Cycle Lab ReportTitle The Copper Cycle Purpose In this experiment, the objective was to track copper as it underwent a series of chemical changes and reactions.Safety review Laboratory safety goggles were worn during the experiment. Closed-toed shoes were worn in the laboratory. Unused chemicals were never returned to their ... Read More

A Reaction Paper to the Political Compass (1265 words, 5 pages)

My Reaction Paper to the Political Compass.The political compass is a very interesting tool. I liked the fact that it shows you where you stand in a general definition of politics. My results were more towards the upper left side of the 3rd quadrant. Meaning my ideology would be social ... Read More

The Harm of Chemicals Against Humans (1091 words, 5 pages)

The Harm of Chemicals against HumansChemicals are used around the world in order to aid crop growth and eliminate bug infestations. The pesticides are used to eliminate disease carrying insects such as mosquitos, ticks, rats and mice. Farmers tend to use pesticides more often in order to keep their crops ... Read More

What Occured in Mexico? (1434 words, 6 pages)

In the Name of GodBernal Daz del Castillo wrote The True History of the Conquest of New Spain to present readers with an actual account of the events that occurred in modern Mexico. According to Daz, New Spain was discovered, conquered, pacified, and settled for His Majesty and in the ... Read More

A Research on the Chemical Element, Lithium (519 words, 2 pages)

Lithium is know for not just being the chemical element with an atomic number of three, it is now well known for its abilities in psychiatric treatment, especially in bipolar disorder. The following article focuses on Lithium and how it is used in the treatment of bipolar disorder, and if ... Read More

Published: Friday 25th of January 2013