Dennis M. Feliciano
Grand Canyon University
BIO100L Biology Concepts Lab
June 25, 2011
Osmosis Experiment
Materials
Grapes (unblemished)
Raisins (larger is better)
Water
Salt
Four small containers (i.e., drinking cups or clear glasses)
A metric ruler
Methods and Procedure
Place 1 cup (236 ml) of water in each of the 4 containers.
In 2 of the containers, add 1 tablespoon (14.8 ml) of table salt and mix well.
Measure the length and width of a raisin and place it in 1 of the plain water containers. Measure the length and width of a second raisin and place it in one of the salt water containers.
Measure the length and width of a grape and place it in the second of the plain water containers. Measure the …show more content…
The |and the skin ripped but overall|sign of increase in size nor |Grape showed signs of skin |
|raisin became more rounded. |didn't show any increase in |shape |wrinkling but didn't shrink in …show more content…
There are a pair of kidneys that are 1% of the weight or account for 25% of cardiac output. They spend a large amount of blood and they represent a 20 to 25% of cardiac output they control the concentration of most of the constituents of the body fluids and excrete the end products of metabolism. All living things, whether aquatic or terrestrial, are required to osmoregulation or osmotic pressure regulation. Many of them have managed to survive at hipotónicos or hipertónicos means by physical or chemical mechanisms to avoid changes of osmotic presión in their domestic environment. Kidneys through osmoregulation absorb large amounts of water to filter blood continually, but contouring tubes and the loop of Henle reabsorbe virtually all the water and a variable amount of