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SARS is a respiratory illness caused by SARS-CoV-1, a coronavirus. It belongs to the same family of viruses that cause common colds.

Streptococcus pneumoniae is a bacterium that causes pneumonia. Pneumonia is an illness that causes fluid buildup in the lungs.

Which of the following statements correctly identifies the characteristics of SARS-CoV-1 and Streptococcus pneumoniae?

(1 point)
Responses

SARS-CoV-1 can replicate independently, but Streptococcus pneumoniae requires a host cell to replicate.
SARS-CoV-1 can replicate independently, but Streptococcus pneumoniae requires a host cell to replicate.

Streptococcus pneumoniae can replicate independently, but SARS-CoV-1 requires a host cell to replicate.
Streptococcus pneumoniae can replicate independently, but SARS-CoV-1 requires a host cell to replicate.

Neither can replicate independently.
Neither can replicate independently.

Both can replicate independently.

1 answer

The correct statement is:

Streptococcus pneumoniae can replicate independently, but SARS-CoV-1 requires a host cell to replicate.

Here's the reasoning:

  • SARS-CoV-1 is a virus, and viruses cannot replicate independently; they require a host cell to facilitate their replication.
  • Streptococcus pneumoniae is a bacterium, and bacteria can replicate independently through binary fission.

Therefore, the only accurate statement is that Streptococcus pneumoniae can replicate independently, while SARS-CoV-1 requires a host cell to replicate.