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Questions and Answers
What is a virus?
What is a virus?
- A type of bacteria found in all life forms
- A non-infectious entity found in almost every ecosystem
- A submicroscopic infectious agent that replicates only inside living cells (correct)
- A type of organism that infects animals and plants
Who discovered the tobacco mosaic virus?
Who discovered the tobacco mosaic virus?
- Dmitri Ivanovsky
- Robert Koch
- Louis Pasteur
- Martinus Beijerinck (correct)
What encodes the structure of a virus?
What encodes the structure of a virus?
- Proteins and lipids
- Carbohydrates
- Inorganic molecules
- Long molecules of DNA or RNA (correct)
What is the most numerous type of biological entity on Earth?
What is the most numerous type of biological entity on Earth?
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What is the study of viruses known as?
What is the study of viruses known as?
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Who proposed the taxon Monera as a phylum in 1866?
Who proposed the taxon Monera as a phylum in 1866?
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When was the taxon Monera elevated to the rank of kingdom?
When was the taxon Monera elevated to the rank of kingdom?
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Who introduced the three-domain system of taxonomy in 1977?
Who introduced the three-domain system of taxonomy in 1977?
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Which domains do the organisms found in kingdom Monera belong to under the three-domain system of taxonomy?
Which domains do the organisms found in kingdom Monera belong to under the three-domain system of taxonomy?
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Why is the taxon Monera considered paraphyletic?
Why is the taxon Monera considered paraphyletic?
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