Written By: Plasmid, in microbiology, an extrachromosomal genetic element that occurs in many bacterial strains. Plasmids are circular deoxyribonucleic acid (DNA) molecules that replicate independently of the bacterial chromosome. They are not essential for the bacterium but may confer a selective advantage.
A gnat /ËnÃ¦t/ is any of many species of tiny flying insects in the Dipterid suborder Nematocera, especially those in the families Mycetophilidae, Anisopodidae and Sciaridae. They can be both biting and non-biting. Most often they fly in large flocks resembling clouds.
What Is the Difference Between a Wasp & a Mud Dauber? Though mud daubers are a type of wasp, many characteristics set them apart from the typical wasp. Both are of the Hymenoptera order. The differences between the creatures start there and range from the way that they look to what and how they feed.