Lesson 2.2 Archaeal Cell Wall Flashcards

1
Q

Bacteria have peptidoglycan while archeans have ______

A

pseudomurein

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2
Q

Not all aracheans have pseudomurein, but species like ____

A

methanogens

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3
Q

How do archeans cell wall composition differ from bacteria?

A

Both have N-acetylglucosamine but archaeans have N-acetyltalosaminuronic acid

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4
Q

How do archeans cell wall differ from bacteria?

Glycosidic bond

A

Archaeal cell wall: connected to beta-1,3 instead of 1,4

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5
Q

Difference between peptidoglycan and psuedomurein

A

Peptidoglycan: sensitive to lysosomes
Psuedomurein: unbreakable

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6
Q

Most common type of cell wall in Archaea

A

S layer or paracrystalline surface layer

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7
Q

It is consists of interlocking molecules of protein or glycoprotein

A

S layer

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8
Q

S layer is consists of varied symmetries such as

A

hexagonal and pentagonal

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9
Q

S layers can be found in all representative of Arachea

A

true

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10
Q

S layers can also be found in bacteria

A

true

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11
Q

S layer is relatively weak to withstand osmotic pressure withou other wall components

A

false

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