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4 June, 14:12

You decide that the introduction should also discuss the extremophiles that are referred to as the archaea. These single-cell organisms are considered "extremophiles" due to their ability to survive and reproduce in environmental conditions that would be hostile for most living organisms. Archaea species have been isolated from highly acidic sulfur springs, ocean floor thermal vents with temperatures that exceed boiling, and subarctic ice well below freezing. While still considered to be prokaryotic, the archaea have numerous differences that place them apart from the bacteria.

Choose the characteristics that separate the archaea from other prokaryotic cells.

Select all that apply.

- Archaea lack true peptidoglycan in their cell walls.

- The cytoplasmic membrane lipids of archaea have branched or ringform hydrocarbon chains.

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  1. 4 June, 16:07
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    Archaea lack true peptidoglycan in their cell walls. The cytoplasmic membrane lipids of archaea have branched or ringform hydrocarbon chains

    Explanation:

    The prokaryotes include two types of organisms, the archaea and bacteria but not all the archeae and bacteria are prokaryotes. In the past the archeae were also considered as bacteria and named as archeabacteria beacuse of their same prokaryotic nature. Archeae and bacteria exhibit several differences suc as;

    Archaea does not have true peptidoglycan. The cytoplasmic membrane lipids of archaea have branched or ringform hydrocarbon chains. Archaea have three RNA polymerases while bacteria have only one. Archaea are considered as extremophiles Archaea cell membrane contains ether linkages.
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