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What is the purpose of the binomial system of nomenclature?
What is the purpose of the binomial system of nomenclature?
- To confuse people with complex naming conventions
- To assign names to organisms randomly
- To group organisms based on their common characteristics
- To provide unique names for organisms based on genus and species (correct)
How are microbial names typically written using the binomial system of nomenclature?
How are microbial names typically written using the binomial system of nomenclature?
- In a single word
- As a combination of two Latin words: genus and species (correct)
- Using a combination of numbers and letters
- In three parts: genus, species, and strain
Why are viruses, viroids, and prions referred to as acellular entities or agents?
Why are viruses, viroids, and prions referred to as acellular entities or agents?
- Because they are too small to be seen without magnification
- Because they are not capable of causing diseases
- Because they do not contain genetic material
- Because they lack cellular structure and are not considered microorganisms (correct)
Which term refers to organisms that are collectively too small to be seen clearly by the unaided eye?
Which term refers to organisms that are collectively too small to be seen clearly by the unaided eye?
What is the main contribution of the majority of microorganisms in the environment?
What is the main contribution of the majority of microorganisms in the environment?
Which of the following are included in the group of microorganisms?
Which of the following are included in the group of microorganisms?
What is the negative connotation associated with the words 'microorganism', 'microbes', or 'germs'?
What is the negative connotation associated with the words 'microorganism', 'microbes', or 'germs'?
Which entities are described as noncellular entities in microbiology?
Which entities are described as noncellular entities in microbiology?
What is the primary distinguishing characteristic used in binomial nomenclature to name organisms?
What is the primary distinguishing characteristic used in binomial nomenclature to name organisms?
What is the main reason behind using a binomial system for naming organisms?
What is the main reason behind using a binomial system for naming organisms?
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Study Notes
Binomial System of Nomenclature
- The purpose of the binomial system is to provide a universal and consistent way of naming organisms.
- In the binomial system, microbial names are written with a genus name and a species name, both of which are italicized.
- The genus name is capitalized, and the species name is not.
Microorganisms and Acellular Entities
- Viruses, viroids, and prions are referred to as acellular entities or agents because they lack cellular structure.
- Microorganisms are collectively referred to as those that are too small to be seen clearly by the unaided eye.
Environmental Contribution
- The main contribution of the majority of microorganisms in the environment is to perform essential ecosystem functions.
Group of Microorganisms
- Bacteria, archaea, fungi, protists, and microalgae are included in the group of microorganisms.
Negative Connotation
- The words 'microorganism', 'microbes', or 'germs' have a negative connotation, implying disease-causing properties.
Noncellular Entities
- Viruses, viroids, and prions are described as noncellular entities in microbiology.
Binomial Nomenclature Characteristics
- The primary distinguishing characteristic used in binomial nomenclature to name organisms is the combination of a genus and species name.
- The main reason behind using a binomial system for naming organisms is to provide a universally accepted and consistent system of identification.
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