Microbiology Midterm Exam Questions with Correct Answers 2026 Update

Microbiology Midterm Exam Questions
with Correct Answers 2026 Update
Almost all known bacterial cells and all eukaryotic cells are microscopic - CORRECT ANSWER -
FALSE



All known bacteria have 70s ribosomes , circular DNA , hopanoids and peptidoglycan - CORRECT
ANSWER -TRUE



Most eukaryote cells have, a nucleus, chromatin, mitochondria, and cytoskeletons - CORRECT
ANSWER -FALSE



Pasteur developed vaccines for smallpox. anthrax, and rabies - CORRECT ANSWER -FALSE



Agar, acid-fast staining, pure culture techniques, and basic staining techniques came from the
lab of Robert Koch - CORRECT ANSWER -FALSE



There are most likely 98 different naturally occurring atomic numbers, although two are
extremely rare - CORRECT ANSWER -FALSE



Hydrogen bonds are slightly (2x) weaker than covalent but are important to life, especially to
DNA and the properties of waters - CORRECT ANSWER -TRUE



Peptidoglycan is found in most known bacteria but not eukaryotes or archaea. - CORRECT
ANSWER -



Gram negative bacteria have an outer membrane containing lipoproteins, phospholipids,
lipopolysaccharides, porins and a S-Layer - CORRECT ANSWER -