Which statement best descrif/cv 4ydy 1n1by7cch 71qdao )bes the osmolarity of a solution used to bathe organs for use in organ transplant procedu c77nqh4fayd/dy1o1 yv1)b cc res?

  Which is the most likely sol paniy +ybp i8r((eznv)x 67x7ute potential (ψ$_s$) of 50 cm$^3$ distilled water if 10g of salt is added to it?

  An organ donor's heart is removed to be transplanted and is stored in an isof2 jt0djy 4emubx,z). tonic solution prior to transplant. Which of the following may result if the heart is not stored iz.u42tdj,)0e yxmj bf n an isotonic solution?

  Two patients were given e k-oimrjejhl14d53p;4f dk / solutions intravenously as part of a medical treatment. One hk44mrdlp3 d/j1;e eo- ki5jfpatient had a generally negative health outcome while the other had a positive health outcome. Blood samples were taken from both patients and then viewed through a light microscope.


Which correctly identifies the health outcomes for the two patients and the likely reasons for these outcomes?

  What effect on oxygen transport in a human being is likely scx1, f xd35ufwan)g2/hc4j rif the individual is given a hypotonic solution intravenously? 4fx/u5,)r3dwjc ch1 afxg2sn

  The diagram shows the setup for an osmosis experiment. The potato tissue rv,g(6hzlfl7 s q,8wo was placed in a solution of unknown concentration for 3 days. After 3 days, the potato had lost mass. Which type of solution was the potato placed in, and what was the effect on the l,rq z8v,og7w (fh6lspressure potential?

  The image below shows red blood cells placli c s24)cn1l*v nhk/p-t+ qqqed in three different solutions as seen under the light microscope. Which type of solution were the cells scq+l*tcnqlih n - /)4v2kq1sp hown in micrograph A most likely placed in?

Membrane transport is importano05 gew bh )vm5)wy wx:u4o4vmt for allowing particles to move across the cell membrane and respond to changes in the 4 ey5w ) w) 5muvmoxg0bh4w:ovchemical composition of the extracellular fluid.

1.Outline the effects of placing a liver cell in a hypotonic solution.

2.Outline how the fluidity of membranes allows materials to be taken into cells or to be released from cells.

3.Compare and contrast four types of membrane transport. Include an example of each.

  Which is not a correct definition or equation fon mr p8)hofeca:sdmy367mho:rl2*: ur water potential?

  Which of the following surface area to volume ratios wouncovpb;ag r1 v2 6+n*yld result in the highest rate of diffus ;nr*gyoba+2v1 vpcn 6ion for a cell?

  The diagram shows a piece of potato tissue that has been placed in distilled w)uldu 0,yp;y p )xg (xts-p8vqater. Which is the correct reason for the movement of water from the distilled water into the potp t yxqlsvg()0u) p px;ud,y-8ato cells?

  The graph below shows the change in mass of a potat/p7,w wj x4rpgo slice (%) at different concentrations of sucrose solution (mol d4 xp 7wprj,gw/m$^{-3}$ ).

  Given the following experimental set-up, in whip w3qv9 9 7+aj*esjeqqch direction will there be a net movementa qpeq3+q9sj evw97* j of water?

The micrograph shows onion epijps u6;lb63t * io1udodermal cells.

1.1.Draw a diagram of one onion cell after it has been placed in a highly hypertonic solution, labelling the position of the cell membrane, cell wall and vacuole.

1.2.State a definition for the term ‘hypertonic solution’.

1.3.Explain the reasons for the changes to the onion cell in your answer to part (i), with reference to water potential.

1.4.The water potential of the onion cell in the micrograph is -700kPa, and the pressure potential is 900 kPa. Calculate the solute potential of the cell using the equation below.

ψw = ψs + ψp

2.Explain why the calculated value for water potential is always relative to pure water at atmospheric pressure and a temperature of 20 °C.

3.Predict, with a reason, how the solute potential of the cytoplasm of an onion cell would be affected if it was placed in a hypotonic solution.

  A student placed 13 potato cylinders in a hypotonic solution and 13 b+z rr-7sdoe9w hbo -1potato cylinders in a hypertonic solution. The student then calculated the mean percent change in length, and standard error. Below are the results. 7dsb1or bez +h--orw 9Which of the answer choices can be concluded?

Below is a diagram showing the rey6z2w5fu7j + l,vhubmrsfm96 sponse of red blood cells when placed in different solute concentrations.hj w6rm,7b s9uly 6fvf+2mu5z


1.State what is meant by the term isotonic solution.

2.Identify which concentrations were hypotonic and which were hypertonic to the red blood cells.

3.If red blood cells were placed in a hypotonic solution, explain the likely changes in ion concentration in the cytoplasm of the cells.

4.Describe the process of how a solid granule of NaCl becomes a solute when placed in water.

5.Compare and contrast how animal and plant cells are affected by being placed in hypotonic solutions and hypertonic solutions.

1.Outline the stages of s4o vov1m ed.5h-o:p bsb4 6wesolvation.

2.Describe what you would see down a microscope if an onion cell is first put into pure water and then into a strong salt solution.

3.Explain the movement of water across the cell surface membrane when an animal cell is placed in different solute concentrations.