Effects on Membranes of other Environmental Stresses

Intro (2.)

As pissing pollution has come to be an issue in many societies for decades, even centuries in some cases, scientists have foresightful researched just what personal effect different pollutants ordain have on living organisms. In researching this it is possible to study just what effects are harmful to the environment and the things that need to be make to clean it up. In observing key facts, it is possible to see why investigating the effects of pollutants may be cardinal:

- Pollutants can increase the concentration of bacteria and viruses in body of water bodies principal to potential health hazards.

- Organic wastes which flow into water bodies can impose high oxygen demands on the receiving water leading to oxygen depletion (http://en.wikipedia.org/wiki/Oxygen) that has the potential to lead to severe impacts on the entrie eco-system of that limited water body.

- Chemical inputs into water can have practiced effects on the well being of marine wildlife, a lot resulting in death.

In knowing that these things can occur, an incentive can be found for scientists to research just what exactly can be done to fix the problem of pollution and which are the chemicals that what will have the most damage on an organism.

Researchable Question (3.



)

What effects will the introduction of various pollutants or a hammy change of temperature in waterways have on the cell membrane of an organic cells membrane?

Hypothesis (4.)

If a cell is exposed to a variety of different pollutants or the cells surrounding temperature is at an organic low or high, the membrane will be damaged causing the pigment to leak.

Materials (5.)

Equipment for experiment 1 (change in temperature):

- Thermometer: -10oC - 110oC

- 10 mL measuring cylinder

- Marking pen or viscous labels

- Stirring rod

- 5 test tubes

- Forceps...

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