Tonicity- Potato Strip Experiment, Ph Levels And C

Joel Petillon
2 March 2009
TONICITY- POTATO STRIP EXPERIMENT, PH LEVELS AND CELLS, AND FERMENTATION

INTRODUCTION
The Customized laboratory Manual Biology states tincture as, A relative submersion of solute (particles), and therefore also of solvent ( peeing), outside the cell compared with intimate the cell. (Mader pg.53) According to an article by Kennon Garrett (Human Physiology Professor at The University of okey College of Medicine), Tonicity is defined as, only the tautness of non-penetrating solutes. In addition, tone of voice always is in reference of the extracellular non-penetrating solute soaking up to the cells non-penetrating solutes. (Garrett) Tonicity is used in an experiment with potatoes to determine the outcome with three different tonicity upshots:
1. An isosmotic event has the same concentration of solute as the cell does. When the cells are placed in an isotonic ancestor, the urine has no movement therefore there is no net movement.
2. A hypertonic solution has a higher(prenominal) solute which means there is a trim amount of water and concentration than the cell. When cells are placed in a hypertonic solution, water moves into the solution instead of the cell.
3.



A hypotonic solution has a lower solute which means higher amounts of water and concentration than the cell. When cells are placed in a hypotonic solution, water moves into the cell and leaves the solution.
The pH level of a solution tells whether the solution has hydrogen ion concentration [H±]. The pH Scale ranges from 0-14. When a solution has a pH level of 7 it is considered to be neutral. Anything lower than 7 is to be said to be acidic, and anything higher than 7 is said to be basic.
During Fermentation, glucose is broken down with lots of qualification remaining in the organic molecule that result. Small amounts of chemical energy are converted into adenosine triphosphate molecules, and during cellular public discussion even more chemical energy is converted to ATP molecules, so...If you want to get a full essay, order it on our website: Orderessay



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