Why can’t you identify archaeans by using Gram stain?

Because Prokaryotes can be classified based on their shape and their Gram stain reaction. However, the Gram stain is not a reliable method of identifying archaea, as they do not contain peptidoglycan in their cell walls.

Iam not sure but to me it with be a or dsorry if i was late! hope this ! : )if you really want me to find out the answer that is correct tell me and i will do more research but the a or d makes sense to me.

The answer is d i think