In addition to peptidoglycan, the cell walls of gram-positive bacteria contain

a) mannan.
b) teichoic acid.
c) cellulose.
d) chitin.


Ans: b) teichoic acid.

Biology & Microbiology

You might also like to view...

Which of the following adhesive molecules can be found in all complex multicellular

A. None of these options is correct. B. cadherins C. integrins D. pectins E. cadherins and integrins

Biology & Microbiology

All of the following are diseases caused by viruses except  

A.  strep throat. B.  AIDS. C.  polio. D.  small pox. E.  measles.

Biology & Microbiology

The ____ is/are responsible for closing off the airway during swallowing

a. larynx b. epiglottis c. pharynx d. intercostal muscles e. pleura

Biology & Microbiology

A ____ is required to transfer genes from one organism to another

a. vector b. reverse transcriptase c. transport molecule d. genetic probe e. PCR device

Biology & Microbiology