Asked Sep 27, 2019

are viruses alive ? 


Expert Answer

Step 1

Some of the key features of a living thing are

  • They must maintain homeostasis
  • They must reproduce
  • They grow
  • They use energy
  • They respond to stimuli
  • They adapt to their environment.
Step 2

Features of a virus:

  • The virus particle is called virion which is made up of set of genes wrapped within a protective protein shell called capsid. Some virus has extra lipid membrane called envelope. Like other living cells, virus does not possess any organelles, creating a doubt whether it can maintain a steady-state internal environment.
  • But a virus can reproduce once it entered into the host cell.
  • The virus does not grow.
  • ...

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Cell Biology

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