The answer to this question is Proteins Archaeal cell walls are functioned to protect themselves from the envrionment. This walls are created by <span>proteinaceous surface (S‐) layer that consist of protein that make them had the ability to form some sort of crystal-like substances that make their walls stronger.</span>
The difference between analog and digital signals is that an analog signal is a continuous electrical message while digital is a series of values that represent information. Analog is conveyed by electrical current variations.
