Test for the presence of starch (LC 2026) (Leaving Cert Biology): Flashcards
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Function of starch in plants
Function of starch in plants
Energy storage
Type of molecule that starch is
Type of molecule that starch is
Polysaccharide
What polysaccharides are made of
What polysaccharides are made of
Many (more than two) monosaccharides joined together
Reagent used to test for starch
Reagent used to test for starch
Iodine
Initial colour of iodine
Initial colour of iodine
Brown
Positive result for starch test
Positive result for starch test
Iodine turns from brown to blue/black
Control used in starch test
Control used in starch test
Distilled water
Colour of control in starch test
Colour of control in starch test
Brown (remains brown)
Structural polysaccharide in plants
Structural polysaccharide in plants
Cellulose
Function of cellulose
Function of cellulose
Structural role in cell wall
Where cellulose is found (2 locations)
Where cellulose is found (2 locations)
Cell wall and phloem
Where starch is found
Where starch is found
Plants