Classifictation And Viruses Flashcards
(26 cards)
What is the primary purpose of classification in biology?
To organize and categorize living organisms based on shared characteristics.
True or False: Viruses are considered living organisms.
False.
Fill in the blank: The three domains of life are ___, ___, and ___.
Bacteria, Archaea, Eukarya.
What is the smallest unit of classification?
Species.
Which kingdom includes multicellular organisms that can photosynthesize?
Plantae.
What is a virus composed of?
A core of genetic material (DNA or RNA) surrounded by a protein coat.
Multiple Choice: Which of the following is NOT a domain of life? A) Bacteria B) Eukarya C) Fungi D) Archaea
C) Fungi.
What is the process by which viruses replicate?
Lytic cycle or lysogenic cycle.
True or False: Viruses can reproduce on their own.
False.
Fill in the blank: The scientific naming system is known as ___ nomenclature.
binomial.
What are the two main types of viral infections?
Acute and chronic.
What type of organism is classified in the kingdom Protista?
Mostly unicellular organisms, such as amoebas and algae.
Multiple Choice: Which of the following is a characteristic of living organisms? A) Growth B) Reproduction C) Response to stimuli D) All of the above
D) All of the above.
What is the term for the variety of different species in an ecosystem?
Biodiversity.
What is the role of a virus’s capsid?
To protect the viral genetic material and aid in the infection of host cells.
Fill in the blank: The classification system is hierarchical, starting with ___ and ending with ___.
Domain; Species.
What is an example of a viral disease?
Influenza.
True or False: All viruses have RNA as their genetic material.
False.
What is the main difference between bacteria and viruses?
Bacteria are single-celled organisms that can live independently, while viruses require a host cell to replicate.
Multiple Choice: Which of the following is a method of viral transmission? A) Airborne B) Direct contact C) Vector-borne D) All of the above
D) All of the above.
What does the term ‘host cell’ refer to?
A living cell that a virus infects in order to replicate.
Fill in the blank: The classification of organisms is based on similarities in ___ and ___ characteristics.
Morphological; genetic.
What is the role of the viral envelope?
To help the virus enter host cells by fusing with the host cell membrane.
What is a vaccine?
A preparation that stimulates an immune response to prevent infectious diseases.
