All of following statements concerning the bacterial cell wall are true with the exception of

A. gives shape and rigidity to the cell

B. is the site of action for some antibiotics

C. prevents the cell from bursting in a hypotonic environment

D. cannot prevent a cell from undergoing plasmolysis when placed in a hypertonic environment

E. is the source of endotoxins in gram positive bacteria correct

The mechanism whereby genes are transferred by viruses (phages) from one bacterium to another

A. transduction

B. transformation

C. binary fission

D. intuition

E. conjugation

For each statement, select the best answer

A. uses light energy to drive the synthesis of organic compounds from CO₂

B. uses CO₂ to oxidize H₂, releasing CH₄ as a waste product

C. poisoned by O₂

D. thrive in very hot environments