Which of these are characteristics of viruses? (Select all that apply.) - not living organisms
- are decomposers
- are single-celled
- cannot reproduce without a host

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.