COD MICROBIOLOGY – NAYFEH EXAM 1 (CHAPTERS 1–3) 2026/2027 | COMPLETE STUDY
GUIDE, PRACTICE QUESTIONS & EXAM REVIEW
What is the growing form of bacteria? - ✔✔Vegetative
When environmental conditions are no longer favorable for a bacterial cell, most can undergo
sporulation and form a(n) __________. - ✔✔Endospore
True of False? Microbes have both a positive and negative impact on daily human life. -
✔✔True
What is the heat-resistant form of bacteria? - ✔✔Endospores
What are microorganisms that reside on the surface of the human body, and have essential
roles in human life? - ✔✔Normal flora
What is the use of microorganisms to hasten the decay of pollutants? - ✔✔Bioremediation
What type of microorganisms cause disease? - ✔✔Pathogens
True or False? People unwilling to vaccinate their children due to a lack of knowledge is one
reason why diseases can re-emerge. - ✔✔True
True or False? Pathogens are unable to become resistant to antimicrobial medications, and
therefore does not contribute to emerging or re-emerging diseases. - ✔✔False
In the binomial system of nomenclature, what two words are used to name an organism? -
✔✔Genus species
, What domain of organisms are not prokaryotes? - ✔✔Eukarya
Where is DNA in bacteria found? - ✔✔Nucleoid
Bacteria cell walls contain ________________. - ✔✔Peptidoglycan
How do bacteria and archaea multiply? - ✔✔Binary fission
True or False. Archaea cell walls lack peptidoglycan. - ✔✔True
Archaea that can thrive in high salt concentrations and temperatures are called __________. -
✔✔Extremophiles
True or False. Humans are more closely related to plants than to archaea or bacteria. - ✔✔True
In which domain will you find a membrane-bound nucleus and other organelles? - ✔✔Eukarya
Algae, protozoa, and fungi are all a part of what domain? - ✔✔Eukarya
Agar comes from what eukaryotic group? - ✔✔Algae
True or False. Agar is a nutrient, not a solidfying agent. - ✔✔False
Where do algae primarily live? - ✔✔Water
GUIDE, PRACTICE QUESTIONS & EXAM REVIEW
What is the growing form of bacteria? - ✔✔Vegetative
When environmental conditions are no longer favorable for a bacterial cell, most can undergo
sporulation and form a(n) __________. - ✔✔Endospore
True of False? Microbes have both a positive and negative impact on daily human life. -
✔✔True
What is the heat-resistant form of bacteria? - ✔✔Endospores
What are microorganisms that reside on the surface of the human body, and have essential
roles in human life? - ✔✔Normal flora
What is the use of microorganisms to hasten the decay of pollutants? - ✔✔Bioremediation
What type of microorganisms cause disease? - ✔✔Pathogens
True or False? People unwilling to vaccinate their children due to a lack of knowledge is one
reason why diseases can re-emerge. - ✔✔True
True or False? Pathogens are unable to become resistant to antimicrobial medications, and
therefore does not contribute to emerging or re-emerging diseases. - ✔✔False
In the binomial system of nomenclature, what two words are used to name an organism? -
✔✔Genus species
, What domain of organisms are not prokaryotes? - ✔✔Eukarya
Where is DNA in bacteria found? - ✔✔Nucleoid
Bacteria cell walls contain ________________. - ✔✔Peptidoglycan
How do bacteria and archaea multiply? - ✔✔Binary fission
True or False. Archaea cell walls lack peptidoglycan. - ✔✔True
Archaea that can thrive in high salt concentrations and temperatures are called __________. -
✔✔Extremophiles
True or False. Humans are more closely related to plants than to archaea or bacteria. - ✔✔True
In which domain will you find a membrane-bound nucleus and other organelles? - ✔✔Eukarya
Algae, protozoa, and fungi are all a part of what domain? - ✔✔Eukarya
Agar comes from what eukaryotic group? - ✔✔Algae
True or False. Agar is a nutrient, not a solidfying agent. - ✔✔False
Where do algae primarily live? - ✔✔Water
