Algonquin College Health Program Assessment (AC-HPAT) Practice Exam

What type of organisms are eubacteria?

1. Multicellular organisms

2. Prokaryotes

3. Eukaryotes

4. Viruses

The correct answer is: Prokaryotes

Eubacteria, also known as true bacteria, are classified as prokaryotic organisms. This means that they lack a defined nucleus and other membrane-bound organelles that are characteristic of eukaryotic cells. Instead, their genetic material is organized in a single, circular strand of DNA located in the cytoplasm. Additionally, eubacteria have a simpler cell structure, usually surrounded by a cell wall composed of peptidoglycan. This classification distinguishes them clearly from eukaryotes, which have complex cell structures, as well as from multicellular organisms and viruses. Eubacteria play significant roles in various ecosystems, including nutrient cycling and symbiotic relationships, and are also important in biotechnology and medicine.