Group-specific antigen, or gag, is the polyprotein that contains the core structural proteins of an Ortervirus. It was named as such because scientists used to believe it was antigenic. Now it is know
HIV-1 Gag protein homo18-mer, Human immunodeficiency virus 1
Drosophila is a genus of fly, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or pomace flies, vinegar flies, or wine flies, a reference to the characteristic
Side view of head showing characteristic bristles above the eye
Larva
Pupae (brown specimens are older than the white ones)