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Biology 21 Online
OpenStudy (anonymous):

I have a question

OpenStudy (agreene):

and what might that be?

OpenStudy (anonymous):

What does the cell membran do? the cell wall? cytoplasm? cloroplast? DNA? er? golgi body? lysosome? mitochondria? nucleus? organelle? vavoule? what are they are what do they do?

OpenStudy (agreene):

That's a lot to explain, lol... you can look up each of these and get a definition from your book (or the web)

OpenStudy (anonymous):

well, i wouldnt really like if they were all in one spot, mabey you have a recommended site?

OpenStudy (agreene):

wikipedia will have all of this, and it will be accurate. most colleges will have microbiology pages with this stuff as well.

OpenStudy (anonymous):

alright, thankyou very much, do you mind if i ask other questions also?

OpenStudy (agreene):

go for it

OpenStudy (anonymous):

how do i remember domains?

OpenStudy (anonymous):

I mean , the differences between archea, bacteria, and Eukarya

OpenStudy (agreene):

the only real way is to know that Eukarya all of eukaryotic cells, meaning they have a nucleus. Really, you're just going to have to memorize the differences :(

OpenStudy (anonymous):

You can also try recapturing the history of life. Thus, you will get to know the main difference between eukarya and procaryotes. For example: because of their greater complexity, eukaryotes need membrane compartiments. Mitchondria are ancient procaryotes, devoured by eukarya and so on. Archaea are the "first attempt" of life to produce a higher evolved organism, so they have got some nice features. You get the idea?

OpenStudy (anonymous):

uhm..

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