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Microbiology Final Exam > Lecture 4 > Flashcards

Lecture 4 Flashcards

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Biology 101 flashcards
1
Q

Archaea

A

Many features in common with Eukarya
Highly diverse
Best known for growth in extreme environments

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2
Q

Archaeal Cell Envelopes

A

Archaeal envelopes differ from bacterial envelopes in the molecular makeup and organization

HAVE NO PEPTIDOGLYCAN

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3
Q

building block of archaeal membrane

A

five carbon branched molecule Isoprene

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4
Q

ether linkages

A

Archaeal lipids are attached to glycerol by

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5
Q

Bacterial lipids are attached to glycerol by

A

ester linkages

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6
Q

Archaea

A

Branched chain hydrocarbons attached to glycerol by ether linkages
pentacyclic rings
diglycerol tetraethers

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7
Q

Archaeal Cell Walls

A

NAT not NAM
1-3 linkage not 1-4
L-amino acids not D-

Thick polysaccharide layer

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8
Q

The Cytoplasm of Eukaryotes

A

Consists of liquid, the cytosol, and many organelles

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9
Q

Lysosomes

A

Involved in intracellular digestion

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10
Q

Endocytosis

A

Used by all eukaryotic cells

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Microbiology Final Exam (9 decks)

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