Fannie Hesse is credited with giving ________ the idea to use agar as a solidifying agent

A) Louis Pasteur
B) Ferdinand Cohn
C) Robert Koch
D) Sergei Winogradsky


Answer: C

Biology & Microbiology

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Which statement is NOT true?

a. Membranes are often perforated by proteins that extend through both sides of the membrane. b. Some membranes have proteins with channels that allow for the passage of hydrophilic substances. c. Hydrophilic substances have an easier time passing through membranes than do hydrophobic substances. d. The current concept of a membrane is best summarized by the fluid mosaic model. e. All of these.

Biology & Microbiology

Which of the following is correct about viruses?

A. Viruses can be grown on nutrient agar. B. Viruses are prokaryotic. C. Viruses contain 70S ribosomes. D. Most viruses cannot be seen with a light microscope. E. Viruses undergo binary fission.

Biology & Microbiology

For a particular disease at a specific time period, morbidity rates should always be equal or greater than mortality rates

Indicate whether the statement is true or false

Biology & Microbiology

Which factor allows bacteria species to adapt to environmental changes faster than fish?

A. Smaller size B. Lack of a nuclear membrane C. Shorter generation time D. Smaller nutrient needs

Biology & Microbiology