29 Questions
Who is credited with beginning the use of simple microscopes to examine microorganisms?
Antoni van Leeuwenhoek
What did Antoni van Leeuwenhoek visualize using his simple microscopes?
Tiny animals, fungi, algae, and single-celled protozoa
At the end of the 19th century, what were the microorganisms visualized by Antoni van Leeuwenhoek called?
Animalcules
Who developed a taxonomic system for naming plants and animals, and grouping similar organisms together?
Carolus Linnaeus
What is the structure of nucleic acids shown in Figure 1.1?
DNA double helix
How many categories did Carolus Linnaeus group Leeuwenhoek's microorganisms into?
Six
What distinguishes bacteria and archaea from eukaryotes?
They are unicellular and lack nuclei
What distinguishes protozoa from other microorganisms?
Capable of locomotion by pseudopods, cilia, and flagella
What is a characteristic of algae?
Photosynthetic
Which of the following is a characteristic of fungal yeasts?
Unicellular; reproduce asexually by budding
Which statement is true about parasites?
They live in animal hosts
What is a distinguishing characteristic of viruses?
Not considered living organisms
What did scientists of the Golden Age of Microbiology search for answers to?
All of the above
Antoni van Leeuwenhoek began making and using simple ______
microscopes
Carolus Linnaeus developed a taxonomic system for naming plants and animals and grouping similar organisms together, and Leeuwenhoek's microorganisms were grouped into six ______
categories
By the end of the 19th century, the microorganisms visualized by Antoni van Leeuwenhoek were called ______
microorganisms
Leeuwenhoek's microscopes often made a new microscope for each ______
specimen
Leeuwenhoek examined water and visualized tiny animals, fungi, algae, and single-celled ______; "animalcules"
protozoa
The structure of ______ acids
nucleic
Bacteria and Archaea are ______ and lack nuclei
unicellular
Archaeal cell walls composed of polymers other than ______
peptidoglycan
Bacterial cell walls contain ______; some lack cell walls
peptidoglycan
Much smaller than ______
eukaryotes
Fungi are ______ (have membrane-bound nucleus)
eukaryotic
Molds – ______; grow as long filaments; reproduce by sexual and asexual spores
multicellular
Yeasts – ______; reproduce asexually by budding; some produce sexual spores
unicellular
Protozoa are single-celled ______
eukaryotes
Most are capable of locomotion by ______ – cell extensions that flow in direction of travel
pseudopods
Algae are unicellular or ______
multicellular
Test your knowledge of Chapter 1: A Brief History of Microbiology with this quiz. Explore the early years of microbiology, including the work of Antoni van Leeuwenhoek and the visualization of tiny organisms. This quiz is based on PowerPoint® Lecture Presentations prepared by Mindy Miller-Kittrell from North Carolina State University.
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