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Which of the following statements is not true?
a. Archaea and bacteria have different membrane lipids.
b. The cell walls of archaea lack peptidoglycan.
c. Only bacteria have histones associated with DNA.
d. Only some archaea use CO2 to oxidize H2, releasing methane.

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Answer:

c. False

This statement is incorrect because the DNA of bacteria is circular without histones.

Explanation:

a. True

Some archaea have very specific lipids in their membrane. Differently of the bacterias that have usual lipids in their membranes.

b. True

Archaebacteria do not have peptidoglycans in their cell wall

d. True

Methanogenic archaeobacteria are those that use carbon dioxide and hydrogen to produce methane. They are found in the digestive system of ruminants, sewers and swamps.

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