In mammalian cells, Rab5 protein (early endosomes) and its effector protein known as EEA1 (early endosome antigen 1)

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#Id: 8171

#XL - Q Biochemistry

In mammalian cells, Rab5 protein (early endosomes) and its effector protein known as EEA1 (early endosome antigen 1)

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#Id: 10609

#XL - R Botany

Heterosporous two types of sporophylls, called- 

megasporophylls-  spores that develop into Female gametophytes

microsporophylls-  spores that develop into Male gametophytes

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#Id: 10610

#XL - R Botany

Modes of reproduction

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#Id: 10611

#XL - R Botany

Gametophyte 

Spores germinate to give small but multicellular, free living, mostly photosynthetic thalloid gametophytes called “Prothallus”

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#Id: 10612

#XL - R Botany

When gametophytes are retained within original spore case “Endosporic”

eg:  Selaginella, Isoetes, Marsilea

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#Id: 10613

#XL - R Botany

When gametophytes grow upon the soil and form independent plants “Exosporic”

eg: Psilotum, Pteris, Lycopodium

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#Id: 10614

#XL - R Botany

Classification of peteridophytes

PSILOPHYΤΑ (WISK FERNS)

Eg: Psilotum