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September 2, 2015

Homework Help: Science

Posted by John on Monday, March 12, 2007 at 6:26pm.

Cellular examination of a cyanobacterium and a diatom reveals that the diatom has (which structure?) that is absent in the cyanobacterium?
a. DNA
b. chloroplasts
c. plasma membrane
d. a cell wall with peptidoglycan
e. all of the above

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