BIOL 1106Module 2 Data Sheet

Materials: Red onion Elodea Micro forceps Glass slides Cover slips KimWipes Droppers Tally counters Compound microscopes with 4X and 10X objectives Distilled water 15% NaCl and 1M NaCl solutions Gloves Methods: Part I. Red Onion Cells Red onion cells contain a flavonoid pigment called anthocyanin, which gives the onion its purplish color. The same pigment gives petunias their deep purple color. This pigment allows us to visualize what happens to the water content in a cell when ...

Materials: Red onion Elodea Micro forceps Glass slides Cover slips KimWipes Droppers Tally counters Compound microscopes with 4X and 10X objectives Distilled water 15% NaCl and 1M NaCl solutions Gloves Methods: Part I. Red Onion Cells Red onion cells contain a flavonoid pigment called anthocyanin, which gives the onion its purplish color. The same pigment gives petunias their deep purple color. This pigment allows us to visualize what happens to the water content in a cell when ...