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42) What advancement in science led us to realize that archaea were not bacteria? A) polymerase chain reaction B) genetic seq
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Similar to bacteria, archaea do not have interior membranes but both have a cell wall and use fllagella to swim. Archaea differ in the fact that their ceell wall does not contain peptidoglycan and cell membranes uses ether linked lipids as opposed to ester linked lipids in bacteria.
Difference in Cell structure
Similar to bacteria, archaea do not have interior membranes but both have a cell wall and use flagella to swim. Archaea differ in the fact that their cell wall does not contain peptidoglycan and cell membrane uses ether linked lipids as opposed to ester linked lipids in bacteria.

The distinction recognizes the common traits that eukaryotic organisms share, such as nuclei, cytoskeletons, and internal membranes. The scientific community was understandably shocked in the late 1970s by the discovery of an entirely new group of organisms -- the Archaea.

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