Which of These Observations BEST Supports the Hypothesis That Peptidoglycan

question 6

Multiple Choice

Which of these observations BEST supports the hypothesis that peptidoglycan in Bacteria and pseudopeptidoglycan in Archaea evolved convergently?

• A)NAG is found in glycan strands of both molecules
• B)L isomer amino acids are seen in peptide bridges in both molecules
• C)The glycosidic bond linkages are different
• D)D isomer amino acids are found in peptide bridges in peptidoglycan
• E)The physical strength of each cell wall is equivalent

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Definitions:

Aphagic

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Behavioral Responses

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