The surface layer (s-layer) of prokaryotes choose one: a. is found only in archaea. b. is present all the time in all bacteria. c. may be lost from bacteria cultured in the lab. d. is composed primarily of saccharin.

Answer;

-May be lost from bacteria cultured in the lab

Explanation;

- The S-layer is a surface paracrystalline layer that forms the outermost cell envelope covering the entire bacterial cell, and represents a predominant surface antigen, found in almost all archaea, as well as in many types of bacteria.

-Since S-layers are found in gram-positive and gram-negative bacteria and archaea, they can be associated with quite different supramolecular cell envelope structures. In gram-positive bacteria and archaea, the S-layer subunits are linked to the peptidoglycan-containing layer or to the pseudomurein.

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