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Microbiology Overview and Major Groups Quiz

13 Questions

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Microbiology Overview and Major Groups Quiz

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Questions and Answers

What is the best way to describe viruses?

Dead entities

Infectious particles (correct)

Alive entities

Infectious organisms

What is the size range of viruses?

1 micron to 50 microns

10 nm to 1000 nm

100 nm to 500 nm

20 nm to 200 nm (correct)

Which of the following cells can viruses infect?

Only animal cells

Every type of cell (correct)

Only plant cells

Only bacterial cells

Compared to animal cells, how small are viruses?

$50$ times smaller Signup and view all the answers

How can bacteria be best described?

Prokaryotic microorganisms Signup and view all the answers

What is the most appropriate term for viruses in terms of being alive or dead?

Active or inactive Signup and view all the answers

What term is used to describe viruses as they are unable to carry out their life-sustaining functions or reproduce without a host cell?

Obligate intracellular parasites Signup and view all the answers

Which statement best describes the function of viruses once they infect a host cell?

Viruses use the ribosomes of their host cells to synthesize viral proteins. Signup and view all the answers

What do viruses use to generate or store energy, and for all other metabolic functions?

Host cell's ATP Signup and view all the answers

What is the Latin word for 'poison', which is now used to refer to viruses?

Poison Signup and view all the answers

Which discovery led to the identification of agents now known as viruses?

Fluid extract from diseased animals and plants passing through a filter Signup and view all the answers

Which of the following is NOT a common disease caused directly by viruses?

Diabetes Signup and view all the answers

What are viruses recognized as, in addition to causing diseases?

Gene carriers Signup and view all the answers