In plant cell sieve tubes has no nucleus when fully developed it helps in transportation of minerals and in animal cell the red blood cells has no nucleus when fully developed
Answer: chain link fence
Peptidoglycan could be found in high number on gram positive cell walls. The structure of peptidoglycan looks like a cross link which makes it sturdy, so rain coat would be false. It is not an impenetrable brick wall because it still allow some ion and food pass through it. Sugar candy coat sounds good but chain link fence would be better.
