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Biology 8 Online
OpenStudy (anonymous):

What do Protists have outside of the cell membrane?

OpenStudy (geometry_hater):

They dont have anything out of the cell membranes but that is where they expel wastes and such.......

OpenStudy (anonymous):

Could you say that flagella is outside the cell membrane though?

OpenStudy (blues):

I think the correct answer is "cell walls" which are made out of proteins, cellulose and in some cases sillica.

OpenStudy (anonymous):

Ok so Protists have both a cell wall and a cell membrane then?

OpenStudy (anonymous):

Some Protists have something outside the cell membrane.. ever heard of Foraminifera? :) (Actually, I'm not completely sure if the something I'm thinking of is outside the membrane, but I think it is.)

OpenStudy (blues):

Yes, they do indeed.

OpenStudy (anonymous):

Correct me if I'm wrong, blues, but I'm pretty sure there are many Protists that only have a cell membrane. Amoeba proteus, for example, or Paramecium caudatum.

OpenStudy (geometry_hater):

i think she meant in general Protists dont ave anything outside the cell membrane i dont know about the flagella though maybe

OpenStudy (anonymous):

Yes I meant in general, but I don't think it can actually be a flagella, because the answer is supposed to be two words and I can't find it anywhere online or in my textbook.

OpenStudy (blues):

There are three kinds of protists: loosely, animal like protists, plant like protists and slime molds. The plant like protists have cell walls; the animal and fungus like protists don't.

OpenStudy (geometry_hater):

Maybe its cell walls though IDK i just think im probably overlooking this whole thing

OpenStudy (anonymous):

And, as I tried to hint at earlier, some protists have shells!

OpenStudy (anonymous):

I'll just go with Cell Wall then, thanks guys ;)

OpenStudy (anonymous):

yes. they have cell membranes. This is where they take in nutrients and expel waste.

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