LARUTAN ISOTONIK HIPOTONIK DAN HIPERTONIK PDF

Batas minimum dan maksimum suhu lingkungan yang mempengaruhi proses larutan isotonik. larutan hipertonik: plasmolisis. larutan hipotonik: plasmoptisis. Tekanan osmosis adalah tekanan yang diberikan pada larutan yang dapat menghentikan perpindahan molekul-molekul pelarut ke dalam. (i) a hypotonic solution, larutan hipotonik, [3Â marks/3Â markah] (ii) an isotonic solution, hipotonik, [4Â marks/4Â markah] (ii) an isotonik solution, larutan isotonik, [2Â . QÂ ialah larutan istonik dan R ialah larutan hipertonik.

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Home Documents Form 4 Chapter 3 Essay. Post on Apr 47 views. Three strips labelled W, X and Y are cut from a herbaceous plant. The strips are then immersed in sucrose solutions of different concentrations hipertnik in distilled water. Diagram 6 shows the condition of each strip after being immersed for 30 minutes in each solution.

Tigajalur berlabel W, X, dan Y dipotong dari satu pokok renek. Jalur itu kemudiannya direndam di dalam larutan sukrosa yang berlainan kepekatan dan di dalam air suling.

Rajah 6 menunjukkan keadaan setiap jalur hipotonk 30 minit direndam di dalam setiap larutan. Terangkanapakah yang berlaku pada setiap jalur seperti yang ditunjukkan pada Rajah di atas. J Singer and Nicholson. Terangkanstruktur membran plasma berdasarkan model mozek hiipotonik yang dicadangkan oleh S.

J Singer dan Nicholson.

Diagrambelow shows the condition of each strip after being immersed for 30 minutes in each solution. Tiga jalur berlabel W, X, dan Y dipotong dari satu pokok renek. Rajahdi bawahmenunjukkan keadaan setiap jalur selepas30minit direndam di dalam laeutan larutan. Terangkan apakah yang berlaku pada setiap jalur seperti yang ditunjukkan pada Rajah di atas. Terangkan struktur membran plasma berdasarkan model mozek cecair yang dicadangkan oleh S.

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Diagram below shows the condition of plant cells in solutions of different concentrations, P, Q and R. Rajah di bawah menunjukkan keadaan sel tumbuhan didalam larutanP, QdanRyang berbeza kepekatannya. Jelaskan keadaan sel didalam larutanP, QdanRsecara berasingan. Explain what happens when the plant cell from solution P is immersed in solution R? Jelaskan apakah yang akan berlaku kepada sel tumbuhan apabila direndamkan dalam larutanPdan kemudiannya dalam larutanR.

Explain what hipotonk when a red blood cell is immersed into solution P and then into solution R.

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Jelaskan apakah yang akan berlaku kepada sel darah merah apabila direndamkan dalam larutanPdan kemudiannya dalam larutanR. Diagrambelow shows a red blood cell. Rajahdi bawahmenunjukkan sel darah merah. Apakah fungsi sel darah merah? Hilotonik apa yang berlaku apabila sel darah merah direndam dalam Rajahdi bawahmenunjukkan sel tumbuhan.

Huraikan apa yang berlaku apabila sel tumbuhan direndam dalam Mengapakah sel merah darah dan sel tumbuhan berkelakuan berbeza apabila direndam dalam larutan hipotonik? Distilled water is hypotonic to the cell sap of the plant cells. Glycolipids and glycoproteins help cells to recognize each other. Qialah larutan istonik dan R ialah laarutan hipertonik.

The vacuole expands and swells.

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The vacuole and cytoplasm press against the plasma membrane which in turn presses against the cell wall. Vakuol dan sitoplasma menekan melawan membran plasma kemudian menekan sel dinding. The plant cell becomes turgid. When a plant cell is immersed in an isotonic solution, water diffuses in and out of the cells at the same rate. Thus, there is no net movement of water across the plasma membrane. The cell retains its isofonik shape. When a plant cell is immersed in a hypertonic lafutan, water diffuses out of the vacuole by osmosis.

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The plasma membrane pulls away from the cell wall. This is known as plasmolysis. Membran plasma ditolak keluar daripada dinding sel. Ini dikenali sebagai plamolisis.

The plant cell becomes flaccid. When a turgid plant cell from solution P is immersed into solution R hypertonic solutionthe cell becomes flaccid.

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The concentration of substances in lartuan cytoplasm of the cell is lower compared to solution R. Therefore, water diffuses out of the cell by osmosis.

Oleh itu, air diserap keluar daripada sel melalui osmosis. The vacuole shrinks and the plasma membrane pulls away from uipotonik cell wall. The cell is plasmolysed.

When a hipotobik blood cell is immersed in solution P, it becomes swollen because water diffuses into the cell by osmosis. The solution outside the cell is less concentrated than the cytoplasm in the cell. The cell gains water. The cell swells up and eventually bursts. Sel mengembang dan pecah. The plasma membrane of the red blood cell is too thin and cannot withstand the osmotic pressure in the cell, causing it to rupture and the contents of the cell are released into the surroundings.

The cell is haemolysed.