Question

Based on your knowledge of the cell structures of living things, what is one reason viruses are not considered alive?

A.They lack cell walls
B.they lack nuclei
C.they lack chroroplast
D.they lack cell membranes​

Answer 1

What does it mean to be 'alive'? At a basic level, viruses are proteins and genetic material that survive and replicate within their environment, inside another life form. In the absence of their host, viruses are unable to replicate and many are unable to survive for long in the extracellular environment.

Answer 2

B

Step-by-step explanation:

The nuclei is basically like the heart of a cell.