1.

In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. This is an essential step in the experiment because alcohol:(1) softens the leaf(2) disinfects the leaf(3) allows iodine to enter the leaf(4) dissolves chlorophyll from leaf

Answer» In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. This is an essential step in the experiment because alcohol:

(1) softens the leaf

(2) disinfects the leaf

(3) allows iodine to enter the leaf

(4) dissolves chlorophyll from leaf


Discussion

No Comment Found