Practice 10 questions on MBY161 - Introduction to Microbiology at University of Pretoria. Free AI-generated quiz on uNotes — track your score, retake anytime.
1Archaea and Bacteria are unified as prokaryotes in lacking _______________ which Eukarya contain, such as mitochondria.
2What is the biological function of endospores?
3Which one of the following pairs is mismatched?
4What is the first part of the scientific name (binomial)?
5A viscous, gelatinous polymer, neatly organised external to the cell wall and composed of polysaccharide, polypeptide or both is known as:
6Explain why *Pseudomonas aeruginosa* (Gram-negative bacteria) and *Mycobacterium tuberculosis* (non-endospore forming mycobacteria) are found to be more resistant to biocides (antimicrobial treatment) than *Staphylococcus aureus* (Gram positive bacteria).
7Explain why antibiotics such as penicillin, which interfere with cell wall synthesis, are a good target for a useful antibiotic and why they do not have a similar effect on eukaryotic cells.
8Define psychrophiles.
9In the 4 different growth phases observed in batch culture, explain the characteristics of the stationary phase.
