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algae terms > dinoflagellates > Flashcards

dinoflagellates Flashcards

1
Q

dino

A

whirl

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2
Q

pyrrh

A

flame

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3
Q

total primary productivity

A

rate which energy is converted by photosynthesis to organic substances

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4
Q

theca

A

series of membrane bound vesicles surrounding the interior

  • fibrous cellulosic plates beneath the membrane
  • joined by sutures
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5
Q

mesokaryotic nucleaus

A
  • Chromosomes condensed (visible) and rod-shaped
  • No histone proteins in chromosomes
  • Some taxa have constant DNA replication
  • Nuclear membrane persists
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6
Q

trichocyst

A

projecting organelles Membrane-bound crystalline rod

Trichocyst pores commonly occur at thecal plate junctions

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7
Q

theca parts

A

girdle/cingulum and sulcus

-epicone and hypocone

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8
Q

plate nomenclature

A

apical / antapical
-cingulum
pericingular, postcingular

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9
Q

theca ornamentation

A

sutures, reticulations, spines, and horns

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10
Q

tinsel girdle flagellum

A

pantonematic

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11
Q

whiplash sulcus flagellum

A

acronematic

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12
Q

eyespot types

A
  1. Simplest type: collection of lipid globules lying freely in cytoplasm (no membrane)
  2. Row of small globules within chloroplast
  3. Two rows of lipid globules surrounded by triple
    membrane in cell periphery
  4. Complex “eye” or ocellus (lens and pigment cup)
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13
Q

asexual -cyst formation

A

replacement of thece with thin amorphous sporopollenin-like wall that thickens

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14
Q

sexuality

A

-isogametes or anisogamets

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15
Q

planozygote

A

flagellated zygote

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16
Q

hypnozygote

A

nonflagellated zygotes (resting cytes)

17
Q

ichthyotoxin

A

promotes epidermal sloughing

18
Q

corals

A

provides coral with oxygen, waste removal and carbohydrates

19
Q

calcium carbonate

A

deposited due to algae photosynthesis assists in coral calcification

20
Q

red tides

A

mostly tropical

21
Q

bioluminescent

A

atp reacts with luciferin to produce light

-burglar arlarm or startle

22
Q

saxitoxin

A

endotoxing - not released until crushed

algae terms (6 decks)

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