Unit 1- 2.2 Comparing Bacteria & Archea Flashcards

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1
Q

what are prokaryotes & what are the two sub types

A

*unicellular organisms
1. bacteria
2. archea

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2
Q

characteristics of prokaryotic cells

A
  1. single celled
  2. DNA not surrounded by membrane
  3. organelles not surrounded by membrane
  4. small (less than 2 micrometers)
  5. hard to tell apart
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3
Q

describe structure of a prokaryotic cell

A

-smallest organisms
-cell wall for structural support and protection
*DNA doesn’t form strand, forms ring called plasmid
-some bacteria have flagella

-1/100th DNA of eukaryotic cell

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4
Q

characteristics of prokaryotic capsule

A

-increases ability to cause disease
-allows adherence to surfaces
-protects from being eaten
-contains water to protect from dehydration

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5
Q

characteristics of prokaryotic cell wall

A

-made of peptidoglycan or psedopeptidoglycan

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6
Q

characteristic of prokaryotic plasma membrane

A

controls movement of substances in and out

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7
Q

characteristics of prokaryotic nucleoid region

A

-contains DNA
-several regions & RNA

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8
Q

what does DNA in a prokaryotic cell fo

A

a ring called a plasmid

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9
Q

characteristics of prokaryotic pili

A

-hair like structure on BACTERIA surface
-for movement, attachment, etc.

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10
Q

characteristics of prokaryotic flagella

A

-whip like structure
-used for movement

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