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Bio 459 - Diseases > Midterm 2 - Notes 2 (Part 1) > Flashcards

Midterm 2 - Notes 2 (Part 1) Flashcards

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Biology 101 flashcards
1
Q

Taxonomy

A

Is the science of classifying organisms

- shows the degree of similarity among organisms

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2
Q

Systematics (or phylogeny)

A

Is the study of the evolutionary history of organisms

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3
Q

1735

A

Linnaeus – kingdoms plantae and animalia

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4
Q

1800s

A

Bacteria and fungi put in kingdom plantea (nageli); kingdom protista proposed for bacteria, protozoa, algea and fungi (haeckel)

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5
Q

1937

A

Prokaryotes introduced to distinguish cells without a nucleus

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6
Q

1968

A

Murray – kingdom prokaryotae

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7
Q

1969

A

Whittaker – 5 kingdom system

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8
Q

What are the 3 domains?

A
  1. Eukarya
  2. Bacteria
  3. Archaea
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9
Q

What are 3 examples of eukarya?

A
  1. Animals
  2. Fungi
  3. Plants
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10
Q

What is an example of bacteria?

A

E. coli

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11
Q

What are 3 examples of archaea?

A
  1. Methanogens
  2. Extreme halophiles
  3. Hyperthermophiles
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12
Q

Archaea cell type

A

Prokaryotic

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13
Q

Archaea cell wall

A

Varies in composition

- contains no peptidoglycan

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14
Q

Archaea membrane lipids

A

Composed of branched carbon chains attached to glycerol by ether linkage

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15
Q

Archaea 1st aa in protein synthesis

A

Methionine

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16
Q

Archaea antibiotic sensitivity

A

No

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17
Q

Archaea rRNA loop

A

Lacking

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18
Q

Archaea common arm of tRNA

A

Lacking

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19
Q

Bacteria cell type

A

Prokaryotic

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20
Q

Bacteria cell wall

A

Contains peptidoglycan

21
Q

Bacteria membrane lipids

A

Composed of straight carbon chains attached to glycerol by ester linkage

22
Q

Bacteria 1st aa in protein synthesis

A

Formylmethionine

23
Q

Bacteria antibiotic sensitivity

A

Yes

24
Q

Bacteria rRNA loop

A

Present

25
Q

Bacteria common are of tRNA

A

Present

26
Q

Eukarya cell type

A

Eukaryotic

27
Q

Eukarya cell wall

A

Varies in composition

- contains carbohydrates

28
Q

Eukarya membrane lipids

A

Composed of straight carbon chains attached to glycerol by ester linkage

29
Q

Eukarya 1st aa in protein synthesis

A

Methionine

30
Q

Eukarya antibiotic sensitivity

A

No

31
Q

Eukarya rRNA loop

A

Lacking

32
Q

Eukarya common arm of tRNA

A

Present

33
Q

Pro cell DNA

A

One circular; some two circular; some linear

34
Q

Pro cell histones

A

In archaea

35
Q

Pro cell 1st aa in protein synthesis (2)

A
  1. Bacteria = formylmethionine

2. Archaea = methionine

36
Q

Pro cell ribosomes

A

70s

37
Q

Pro cell growth

A

Binary fission

38
Q

Euk cell DNA

A

Linear

39
Q

Euk cell histones

A

Yes

40
Q

Euk cell 1st aa in protein synthesis

A

Methionine

41
Q

Euk cell ribosome

A

80s

42
Q

Euk cell growth

A

Mitosis

43
Q

Euk organelles DNA

A

Circular

44
Q

Euk organelles histones

A

No

45
Q

Euk organelles 1st aa in protein synthesis

A

Formylmethionine

46
Q

Euk organelles ribosomes

A

70s

47
Q

Euk organelles growth

A

Binary fission

48
Q

Histone

A

DNA binding protein

49
Q

Where do eukaryotes originate from?

A

Infoldings of prokaryotic plasma membrane

Bio 459 - Diseases (21 decks)

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