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4 Apr 2018

Given that fluid in red blood cells is isotonic to both 0.9% NaCl(saline solution) and 5% glucose solutions describe the followingas isotonic, hypertonic or hypotonic relative to the red bloodcell. Water is?

I don't understand this or how to come to the answer please help

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Related questions

Define the following terms that can be used to describe what effect a solution has on living cells: hypotonic, isotonic, hypertonic. Consider normal saline (used for IV solutions); it contains 150 mM NaCl. What is the osmolarity of normal saline? Use one of the terms in a sentence to describe how normal saline affects cells in the human body.

"What will happen to a red blood cell (RBC), which has an internal ion concentration of about 0.9 percent, if it is placed into a beaker of pure water?"

The answer is: "The cell would swell because the water in the beaker is hypotonic relative to the cytoplasm of the RBC."

My question is, why is this the answer? How do I know that 0.9% ion concentration is hypotonic, and what would the concentration look like if the beaker were hypertonic/isotonic?

some questions have sub category questions within them. thank you

1: what factors affect that rate of diffusion?

2: what conditions would produce the fastest rate of diffusion?

3: state in which direction water will flow ( into the bag, out of the bag, or in and out at an equal rate ). then justify your answeres using terms hypotonic, hepertonic and isotonic, sub category questions too please.

A: beaker contains 40 % sucrose solution; bag contains 40% sucrose solution

B: beaker contains 25% sucrose solution; bag contains 35% sucrose solution

C: beaker contains 40% sucrose solution; bag contains plain water

D: beaker contains 21% sucrose solution; bag contains 20% sucrose solution

4:? make three drawings on a seprate paper to showing the directions of water movement in the following conditions of tonicity /

a: the solution in the beaker is hypotonic to the solution in the bag

B: the solution in the beaker is herpertonic to the soltuion in the bag

C: the solution in the beaker is isotonic to the solution in the bag

5:?what is the tonicity of a surrounding solution whihc causes plant cells to undergo plasmolysis? Describe the appearance of these cells

?6: what happens to red blood cells when they are placed in a hypertonic solution?

7: How do the red blood cells appear compared to normal red blood cells?

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