In the experiment for testing a leaf for starch :
why is it neccessary to dip the leaf in boiling water at the beginning?
what is the purpose of putting the leaf into boiling alcohol?
Is there any colour change in the alcohol?
the experiment for testing a leaf for starch
2007-01-06 5:25 pm
回答 (1)
2007-01-06 5:56 pm
✔ 最佳答案
dip the leaf in boiling water bath - to kill the leaf cell and break the sell membraneputting the leaf into boiling alcohol - to remove chlorophyll
the alcohol may trn to greenish yellow
參考: my bio book
收錄日期: 2021-05-03 12:47:02
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