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Effect Of Osmosis On Potato Chips. Effect Of Osmosis On Potato Chips Osmosis
is a special kind of diffusion involving the movement ...
osmosis with potato chips. My Investigation on osmosis Osmosis is a special
kind of diffusion. While diffusion can describe the movement ...
Osmosis In Potato Chips. Biology GCSE Coursework: Osmosis in Potato Chips
Skill Area P: Planning Aim: To investigate the effect of ...
osmosis in potato chips. GCSE Biology: Osmosis in a Potato Aim To investigate the
effect of placing a piece of potato in a given strength of sugar solution. ...
Osmosis. Aim: The aim of this investigation is to compare & evaluate the
effects of osmosis in potato chips. We aim to find out the ...
Submitted by Ko kid on April 23, 2006
Category: Science
Words: 1428 | Pages: 6
Views: 324
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The biological importance of water and its role in living organisms
What is water?
Water (from the Old English word water) is a colourless, tasteless, and odourless substance that is essential to all known forms of life and is known also as the most universal solvent.
Water has a very simple atomic structure, the structure consist of two hydrogen atoms bonded to an oxygen atom, which can also be related to as hydrogen oxide. At least 70% of the mass of living organisms is water, and almost all of chemical reaction of life takes place in an aqueous solution. The other chemical that makes up living things are organic macro molecules that belong to the 4 groups Lipids, proteins, nucleic acids, and carbohydrates. Without water, life on earth would not be possible and we as humans are made from approximately 80% water by mass and some amphibians Jellyfish being a primary example are made up of up to 96% water. Water also provides a place for organism to live in, 75% of the earths surface is also covered by water.
The molecular structure of water
A water molecule is formed by a covalent bond; Covalent bonds are formed by sharing electrons in the outer orbits of the quantum shells. Water molecules are charged with the hydrogen atom being slightly positive and the oxygen slightly negative, this opposite that transpires cause an attraction forming hydrogen bonds in the process. This slight charge that occurs means that when water molecules are close together the positively charge hydrogen bond catch the attention of the slightly negatively charged oxygen atom of another water molecule that forms a weak, long distanced hydrogen bond but, the sheer number of them have significant strength to keep the molecules...
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