23.2 Diversity and Ecological Importance of Archaea

Question 1

extremophile

Answer 1

organism that occurs primarily in extreme habitats

Question 2

ether bonds

Answer 2

Archea membrane lipids

Question 3

ester bonds

Answer 3

bacteria and eukaryotes membrane lipids

Question 4

what are ether-bonded membranes resistant to ?

Answer 4

ether-bonded membrane are resistant to damage by heat and other extreme conditions

Question 5

what are 3 characteristics of Archea

Answer 5

• uses isoprene chains (instead of fatty acid chains)
• cell wall composed of protein
• produces methane (CH4) - (major component of natural gas)