Multiple Choice
Which term best describes an organism whose cells do not have an enclosed nucleus, such as bacteria?
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1. Introduction to Microbiology
Introduction to Bacteria
Multiple Choice
A drug that inhibits mitosis, such as griseofulvin, would be more effective against which of the following organisms?
A
Bacteria
B
Fungi
C
Viruses
D
Protozoa
Verified step by step guidance1
Step 1: Understand the mechanism of the drug griseofulvin, which inhibits mitosis by interfering with microtubule function during cell division.
Step 2: Recall that mitosis is a process of eukaryotic cell division, involving the separation of chromosomes into two daughter cells.
Step 3: Identify which organisms undergo mitosis: fungi and protozoa are eukaryotes and perform mitosis, while bacteria (prokaryotes) divide by binary fission, and viruses do not undergo cell division as they replicate inside host cells.
Step 4: Recognize that griseofulvin targets fungal cells specifically by disrupting their mitotic spindle, making fungi more susceptible to this drug.
Step 5: Conclude that since fungi undergo mitosis and are affected by microtubule inhibitors, griseofulvin would be more effective against fungi compared to bacteria, viruses, or protozoa.
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