Curated OER
Polytene Chromosomes from Salivary Glands
Students use this laboratory procedure to outline the mechanism by which salivary glands are removed and prepared so that the polytene chromosomes may be observed.Drosophila virilis is used instead of Drosophila melanogaster because D....
Curated OER
Gastrointestinal
In this biology worksheet, students identify and locate various vocabulary terms pertaining to the gastrointestinal system of the body. There are 33 biology terms located in the word search.