Marine Biodiversity - Plants - Moro > main characteristics (all) > Flashcards

main characteristics (all) Flashcards

(25 cards)

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1
Q
  • cell wall similar to gram-negative bacteria
    with peptidoglycan layer and outer membrane
  • intermediate between gram-positive and gram-negative bacteriaJun
A

cyanobacteria cell

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2
Q

peptidoglycan layer

A
  • Cyanobacteria
  • gives protection + defines morphology
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3
Q

surface-layer or S-layer

A
  • Cyoanobacteria
  • further layer immediately after outer membrane
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4
Q

JPC

A
  • Cyanobacteria
  • Junction Pore Complex
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5
Q

EPS

A
  • Cyanobacteria
  • extracellular polysaccharides material
    (surrounds cells)
  • composed of mostly glucose
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6
Q

sheath

A
  • type of exopolysaccharides surrounding cyanobacterial cells
  • EPS
  • based on thickness and structure
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7
Q

capsule

A
  • type of exopolysaccharides surrounding cyanobacterial cells
  • EPS
  • based on thickness and structure
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8
Q

slime

A
  • type of exopolysaccharides surrounding cyanobacterial cells
  • EPS
  • based on thickness and structure
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9
Q

scytonemin

A
  • characteristic of some Cyanobacteria species
  • particular pigments that can be pressing within EPS
  • effective in cell protection vom UV

found in
- planktonic populations
- mats-forming cyanobacteria

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10
Q

nucleoid / nucleoplasm

A
  • in Cyanobacteria because they have no real nucleus
    , region of genome
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11
Q

carboxysomes

A
  • Cyanobacteria
  • for carbon dioxide fixation
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12
Q

akinetes

A
  • Caynobacteria
  • can accumulate and store various essential material for survival of many years in unfavored environmental conditions
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13
Q

aerotopes

A
  • Cyanobacteria
  • aggregation of gas vesicles
  • for movement
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14
Q

granules

A
  • where storage products (starch) is stored
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15
Q

pyrenoid

A
  • Rhodophyta
  • structure in center of chloroplast
  • carries out photosynthesis
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16
Q

galactans

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A
  • Rhodophyta
  • contianed in mucilaginous material of amorphous part
17
Q

ficocolloids

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A
  • Rhodophyta
  • galactans are compounds of ficocolloids
18
Q

pit-connections

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A
  • Rhodophyta
  • to distinguish between Florideophycaceae and Bangiophycageae
  • 7 different types of plug-caps to distinguish between orders
  • absence of membranes + thickness of membranes
19
Q

secondary pit-connections

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A
  • Rhodophyta
  • composed of different filaments
20
Q

uniaxial and multiaxial

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A
  • Rhodophyta –> Florideophycaceae or Bangiales?
  • thalli structure
21
Q

cortex

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A
  • Rhodophyta
  • outer part of pseudoparenchymatic thallus
22
Q

medulla

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A
  • Rhodophyta
  • innermost part of pseudoparenchymatic thallus
23
Q

holdfast

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A
  • for attachment
  • discoid structure
25
Marine Biodiversity - Plants - Moro
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