Showing posts with label Biology experiment. Show all posts
Showing posts with label Biology experiment. Show all posts

13 September 2015

Determining the concentration of an external solution which is isotonic to the cell sap of a plant

Chapter 3:
Movement of substances across the plasma membrane

Activity 3.6:
Determining the concentration of an external solution which ic isotonic to the cell sap of a plant

*tip: gunakan panjang potongan kentang sebagai 'responding variable' lebih mudah berbanding jisim potongan kentang. tak berebut menggunakan penimbang digital.

12 September 2015

Studying osmosis using an osmometer

Chapter 3:
Movement of substances across the plasma membrane

Activity 3.2:
Studying osmosis using an osmometer

*tip: gunakan air berwarna supaya senang nampak pergerakannya.

11 September 2015

The movement of substances across a semi-permeable membrane

Chapter 3:
Movement of substances across the plasma membrane

Activity 3.1:
The movement of substances across a semi-permeable membrane

*tip: ikut arahan seperti yang terdapat dalam prosedur. baru eksperimen berjaya.

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