Question 6 1 pts In addition to red blood cells, the membrane protein CHIP28 occ

Question

Question 6 1 pts In addition to red blood cells, the membrane protein CHIP28 occurs in kidney cells, where rapid water movement is important. The mRNA for kidney CHIP28 was purified and injected into frog oocytes, which normally have limited diffusion of water across the cell membrane. After 2 days to allow for protein synthesis and membrane insertion stimulated by the mRNA, the oocytes were placed in a hypotonic medium and cell size was measured by microscopy. The results are shown in Table A. What explains the increase in cell size and the bursting? Table A Time in hypotonic medium (min) Relative cell volume 1.00 1.11 1.23 A w w? - o 1.35 1.43 1.49 burst OCHIP28 makes a cell lysis protein CHIP28 encodes a cell suicide component CHIP28 codes for aquaporins OCHIP28 codes for a detergent None of the above

Explanation / Answer

ans.1 ChIP 28 codes for aquaporin.

Chip28 function in transport of water in red blood cells and in the kidney proximal and distal tubule.

Ans. 2 sound wave vibrate the bone in ear.

In middle ear small bones are present called ossicles which are responsible for the conversion of sound wave into electrical impulse.

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