Describe how viruses were first discovered and how they are detected Flashcards
What year is commonly associated with the discovery of viruses?
1892
Who is credited with the first discovery of viruses?
Dmitri Ivanovsky
True or False: Viruses can be seen with a regular light microscope.
False
Fill in the blank: Viruses were first discovered while studying __________.
tobacco mosaic disease
What technique is primarily used to detect viruses today?
Polymerase chain reaction (PCR)
Multiple Choice: Which of the following was a key advancement in virus detection? A) X-ray imaging B) Electron microscopy C) Stethoscope
B) Electron microscopy
What is the size range of most viruses?
20 to 300 nanometers
True or False: Viruses can replicate independently outside of a host cell.
False
What is the primary component of a virus?
Genetic material (DNA or RNA) surrounded by a protein coat
Short answer: What did the term ‘virus’ originally mean in Latin?
Poison