Four small bags are filled with a 10% starch solution. The bag's membrane contains microscopic pores large enough to let smaller water molecules cross but not the larger starch molecules. Bag 1 is placed in a beaker of distilled water (0% starch). Bag 2 is placed in a beaker containing a 5% starch solution. Bag 3 is placed in a beaker of 10% starch solution and bag 4 is placed in a 50% starch solution beaker.
Bag 1: 10% starch / Beaker 1: 0% starch
Bag 2: 10% starch / Beaker 2: 5% starch
Bag 3: 10% starch / Beaker 3: 10% starch
Bag 4: 10% starch / Beaker 4: 50% starch
The bags are weighed initially and at regular intervals for a specific period of time. Some bags saw a change in weight, some did not. Answer the following questions based on the expected outcomes of this experiment.
Your red blood cells behave in a similar manner as the bags in this experiment. What might happen to your red blood cells if you were suddenly unable to regulate the solute concentration of your blood and it began to rise?
◦ Your blood cells would stay the same size but could no longer release the oxygen they carry.
◦ Your blood cells would stay the same size but could no longer carry oxygen.
◦ Your blood cells would shrivel.
◦ Your blood cells would enlarge and may rupture.
A small herd of Przewalski's Horses
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The small intestine. Anterior view of the abdominopelvic cavity illustrating how the three sections
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![What is the pH of an aqueous solution if the [H+] = 0.000 000 075 M?](https://biology-forums.com/gallery/43/medium_6_11_12_21_7_23_55.jpeg)
What is the pH of an aqueous solution if the [H+] = 0.000 000 075 M?
Structure of the small intestine.