<span>D is the answer :) this sentence here is to fill in the rest of space sorry</span>
Answer:
Go on to quizlet and they will come up
Explanation:
This is my opinion: I think two pieces of wood held together by nail is non desirable because I highly doubt that one nail can support enough unless the woods are shaped a certain way and is put together tightly that it won't go apart and has nail that supports it.
Answer:
Gram positive bacteria have cell walls composed of thick layers of peptidoglycan. Gram positive cells stain purple when subjected to a Gram stain procedure. Gram negative bacteria have cell walls with a thin layer of peptidoglycan.
