Which characteristic of viruses prevents them from being used as evidence to support cell theory? Viruses do not have nuclei.
Viruses cannot move by themselves.
Viruses replicate only inside host cells.
Viruses can have glycoproteins on their surfaces.

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous