GENERALIDADES Flashcards

1
Q

Algas

A

Son organismos mayormente fotosintéticos, unicelulares y pluricelulares

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2
Q

División

A
  1. División Cyanophyta
  2. División Euglenophyta
  3. División Cryptophyta
  4. División Chrysophyta
  5. División Xanthophyta
  6. División Bacillariophyta
  7. División Pyrrophyta
  8. División Chlorophyta
  9. División Phaeophyta
  10. División Rhodophyta
  11. División Lychenophyta
  12. Division Bryophyta
  13. Division Pteridophyta
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3
Q

TIPOS DE CLOROFILA

A

a, b, c,d,e

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4
Q

pigmentos fotosinteticos(todos)

A

a

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5
Q

pigmentos accesorios

A

b, c,d,e

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6
Q

b) Morfología

A
cocoide
filamentosa
parenquimatosa
laminares
cenociticas o sijonaceas
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7
Q

d) Movimiento

A

sin flagelos

flagelados

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8
Q

flagelados

A

acronematico: sin mastigonemas
esticonematico: a un solo lado
pantonematico: ambos lados

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9
Q

PIGMENTOS

A

clorofilas
carotenos
xantofilas
ficobilinas

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10
Q

carotenos

A

alfa

beta

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11
Q

xantofilas

A
osciloxantina
dinoxantina
datoxantina
diadinoxantina
fucoxantina
piridina
neoperidina,etc.
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12
Q

ficobilinas (naturaleza proteica)

A

ficocianina(azul)

ficoeritrina (rojo

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13
Q

REPRODUCCION: Asexual

A
fision binario
esporas
heterocistos
akinetos o acinetos
hormogonios
hormocistos
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14
Q

REPRODUCCION: sexual

A
isogamia
anisogamia
oogamia
conjugacion escaleriforme
Cistogamia
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15
Q

esporas

A

endosporas

exosporas

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16
Q

fision binario

A
transversal
longitudinal
oblicua(dinoflagelados)
17
Q

heterocistos

A

son células especializadas, distribuidas a lo largo o al final del filamento

18
Q

hormogonios

A

​ son filamentos móviles (sin vaina)

19
Q

hormocistos

A

con vaina

20
Q

Isogamia:

A

gametos morfologicamente idénticos.

21
Q

Anisogamia (heterogamia):

A

gametos diferentes en tamaño o en morfología interna (anisogamia morfológica), va acompañada, generalmente, por una reducción del gameto masculino, móvil y con poca materia de reserva

22
Q

Oogamia:

A

es un caso extremo de anisogamia, el gameto femenino no posee flagelos, oosfera, los gametos masculinos son móviles, anterozoides (Oedogonium, Fucus).

23
Q

Cistogamia:

A

en Zygnema, los gametos no son liberados (gametocistes), el contenido entero del gametociste se fusiona con el otro gametociste.