Question

properties of prokaryotes, eukaryotes and primitive fungi

Answer 1

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prokaryotes:

✯ these have size from 0.1 macrometre to 5 macrometre.
✯ cytoplasmic streaming is not seen in prokaryotes.
✯ translocation and trancription occurs in cytoplasm.
✯ there may be a single stranded flagella attached to prokaryotes. it may have a diameter of 20 nm and are found without axoneme and sheath.
✯ the cell wall is made up of muramic acid.
✯ the organelles are not membrane bound except ribosomes.

eukaryotes:

✯ these show cytoplasmic streaming.
✯ mostly, all of the cell organelles are membrane bound.
✯ these are 5-100 macrometre in size.
✯ cell wall is not made up of muramic acid.
✯ flagella are 11 stranded and are 200nm in diametre.
✯ transcription occurs in nucleus while translocation occurs in cytoplasm.

Primitive fungi:

✯ yeast are the most primitive fungi.
✯ they are almost found everywhere.
✯ they are even present on animals and plants.
✯ reproduction:
vegetative:

ミ budding

ミ fragmentation

ミ fission

✯ asexual:


ミ sporangiospore 

ミ conidia


✯ sexual reproduction:


( these are three stages )


ミ plasmogamy

ミ karyogamy

ミ meiosis 

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