Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo

Critical Thinking

MicrobiologyCritical Thinking

Critical Thinking


What would the results of Pasteur’s swan-neck flask experiment have looked like if they supported the theory of spontaneous generation?


Why are mitochondria and chloroplasts unable to multiply outside of a host cell?


Why was the work of Snow so important in supporting the germ theory?


Which of the following slides is a good example of staphylococci?

A) A micrograph of rods in a cluster. B) a micrograph of individual rods. C) A micrograph of spheres in a chain. D) a micrograph of spheres in a cluster.
Figure 3.58 (credit a: modification of work by U.S. Department of Agriculture; credit b: modification of work by Centers for Disease Control and Prevention; credit c: modification of work by NIAID)

Provide some examples of bacterial structures that might be used as antibiotic targets and explain why.


The causative agent of botulism, a deadly form of food poisoning, is an endospore-forming bacterium called Clostridium botulinim. Why might it be difficult to kill this bacterium in contaminated food?


Label the lettered parts of this eukaryotic cell.

Image of a cell. the outside line is labeled A. A long projection to the outside is labeled H. A large sphere in the cell has an outer line labeled B. A smaller sphere in the larger sphere is labeled C. Outside of this sphere but still inside the cell are folds of membranes with dots labeled F. Another set of folded membranes in a stack is labeld G; smaller spheres are coming off of these stacks. An oval structure with lines inside is labeld D and two small tubes are labeled E.

How are peroxisomes more like mitochondria than like the membrane-bound organelles of the endomembrane system? How do they differ from mitochondria?


Why must the functions of both lysosomes and peroxisomes be compartmentalized?

Order a print copy

As an Amazon Associate we earn from qualifying purchases.


This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at
Citation information

© Jan 10, 2024 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.