Science Essays

Cell injury cell injury results when cells are stressed so severely that they are no longer able to adapt or when cells are exposed to inherently damaging agents or suffer from intrinsic abnormalities. Injury may progress through a reversible stage and culminate in cell death Reversible cell injury. In early …

Introduction: The Aim of the experiment is to determine the percentage of nickel salt using a complexometric technique. Ethylenediaminetetraacetic acid (EDTA) is a hexadentate ligand which forms stable complexes with most metal ions, thus is widely used to determine metals in complexometric titrations. EDTA can be represented as H4Y and …

Chemicals can affect the skin by contact or they affect the body either through the digestive system or via the lungs if air is contaminated with chemicals, vapor, mist or dust. There can be an acute effect, i.e. the person is affected immediately, or there can be a chronic effect, i.e. …

Before coffee is roasted, it is referred to as “green coffee”. The green coffee is primarily made up of caffeine, lipids, carbohydrates, proteins (amino acids), and organic acids (although inorganic acids exist in coffee as well). These groups are quite stable in the green phase, and it is the carbohydrates, …

1. Find out which substances are essential for rusting to occur. 2. Find out how the rusting process can be inhibited and how it can be promoted. Hypothesis: I predict that air (oxygen) and water are necessary for iron to rust. The nail in water with air will rust while …

Religious language has been argued about by many philosophers to whether or not the ways in which we speak about religion are relevant or meaningful. This issue of religious language looks at the way we talk about God, debate ideas and communicate our theist or atheist ideologies. For some, religious …

Influenza and cholera are two very different diseases, yet they have their similarities. Cholera is caused by a bacterium called Vibrio Cholerae and usually lives in water whereas Influenza, more commonly known as the flu or grippe, is a disease cause by several different viruses so people can have it …

The teenage brain it turns out is a brain still undergoing construction. To understand the risks associated with psychoactive substances in adolescents it helps to understand that teenagers are not just less experienced than adults they are undergoing an important yet challenging developmental stage in which that are prone to …

Edwin Hubble was one of the first people to actually realise what a galaxy is, the measurement of the “Hubble Tuning Fork” Classification scheme shows how round or rightly wound their “arms” are. E0 means that an elliptical galaxy is extremely round, whilst E7 is flat. However not all galaxies …

Eating, raising and domesticating livestock for survival has been taking place since the very beginning of human existence. Since history began, nomadic settlers began grazing sheep, goats and other native species in order to live off of their resources. Currently in the twenty first century, the idea of using animals …