Podcast
Questions and Answers
What is a phylogenetic tree used for in the study of organisms?
What is a phylogenetic tree used for in the study of organisms?
- To study the behavior of organisms in their natural habitats
- To analyze the geological history of organisms
- To observe the physical characteristics of organisms
- To define the evolutionary relationships in the line of descent from a common ancestor (correct)
What is the genetic material found in viruses protected by?
What is the genetic material found in viruses protected by?
- Capsid and an outermost layer called the envelope (correct)
- Nucleus and a lipid bilayer
- Endoplasmic reticulum and a carbohydrate shell
- Membrane and a protein shell
What is one of the unique features of viruses?
What is one of the unique features of viruses?
- They have the ability to carry out photosynthesis
- They possess a fully functional set of organelles
- They are capable of independent movement
- They cannot replicate outside a host organism or on their own (correct)
What is the 'Viral Fossil Record' used to infer and trace back?
What is the 'Viral Fossil Record' used to infer and trace back?
What molecule are viruses unable to synthesize?
What molecule are viruses unable to synthesize?
How do viruses insert their genetic material into host cells?
How do viruses insert their genetic material into host cells?
What percentage of the human genome is estimated to comprise retroviral DNA segments?
What percentage of the human genome is estimated to comprise retroviral DNA segments?
What are the viral genetic fragments passed down from parent to progeny and integrated via reproductive cells called?
What are the viral genetic fragments passed down from parent to progeny and integrated via reproductive cells called?
What does the 'fossil record' of viral evolution extracted from modern DNA provide?
What does the 'fossil record' of viral evolution extracted from modern DNA provide?
How can studying the prior selection of advantageous antiviral genes in modern genomes help?
How can studying the prior selection of advantageous antiviral genes in modern genomes help?
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