Foundational Microbiology 1: Intro + Microbial Diversity

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Which of the following is NOT a type of microorganism studied by microbiologists?

Plants (correct)

Protozoa

Bacteria

Viruses

What is the main difference between prokaryotic and eukaryotic cells?

Prokaryotic cells are larger than eukaryotic cells.

Prokaryotic cells have a nucleus, while eukaryotic cells do not.

Eukaryotic cells have a nucleus, while prokaryotic cells do not. (correct)

Eukaryotic cells have a cell wall, while prokaryotic cells do not.

Which of the following is a characteristic of bacteria?

They are multicellular.

They have a peptidoglycan cell wall. (correct)

They reproduce sexually.

They have a nucleus.

Which of the following is an example of an acellular microorganism?

Viruses Signup and view all the answers

What is the mode of motility for bacteria?

Flagella Signup and view all the answers

Which of the following is NOT a mode of nutrition for microorganisms?

Motile Signup and view all the answers

What is the main component of the cell wall of bacteria?

Peptidoglycan Signup and view all the answers

Which of the following is an example of a eukaryotic microorganism?

Fungi Signup and view all the answers

What is the reproductive mode of bacteria?

Binary fission Signup and view all the answers

Which of the following is an example of a viral microorganism?

Viroids Signup and view all the answers

Which scientist introduced the antiseptic technique and disinfection into surgical theatres?

Joseph Lister Signup and view all the answers

Who successfully correlated cholera propagation with poor water sanitation?

John Snow Signup and view all the answers

What is the process called when grape juice is heated just enough to kill most bacteria without ruining its taste and other qualities?

Pasteurization Signup and view all the answers

Which scientist first observed that women giving birth in hospitals where medical students trained had a higher mortality rate compared to women birthing at home?

Ignaz Semmelweis Signup and view all the answers

What is the name of the theory proposed by Pasteur that microorganisms are responsible for disease?

Germ theory of disease Signup and view all the answers

Which scientist is credited with studying the etiology of infectious diseases and developing the postulates used to identify the causative agents?

Robert Koch Signup and view all the answers

What did Jenner inject into an 8-year-old boy to protect him from smallpox?

Pus from milkmaid cowpox blisters Signup and view all the answers

What is the name of the process used to hold solid growth media for bacterial colonies?

Petri dish Signup and view all the answers

Which scientist introduced antiseptic techniques into nursing practices during the Crimean War?

Florence Nightingale Signup and view all the answers

What is the name of the process where bacteria reproduce and produce alcohol when inoculated in juice?

Fermentation Signup and view all the answers

Which of the following is a characteristic of archaeans?

Often found in extreme environments Signup and view all the answers

What is the size range of prokaryotes?

1-10μm Signup and view all the answers

Which of the following is a characteristic of eukaryotes?

Flagella made up of flagellin protein Signup and view all the answers

Which of the following is a characteristic of fungi?

Cell wall made up of chitin Signup and view all the answers

Which of the following is a characteristic of protozoans?

Unicellular eukaryotes with animal-like digestion Signup and view all the answers

Which of the following is a characteristic of algae?

All tissues are photosynthetic Signup and view all the answers

Which of the following is a characteristic of animals?

Blood fluke Signup and view all the answers

Who coined the term 'cell' and described cells as the fundamental unit of life?

Robert Hooke Signup and view all the answers

Who first reported the existence of most types of microorganisms?

Antonie van Leeuwenhoek Signup and view all the answers

Which scientist conducted the swan-necked flask experiment to disprove spontaneous generation?

Louis Pasteur Signup and view all the answers