Nuclei, membranes, ribosomes, eukaryotes and prokaryotes

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Khan>Subjects>Science>Biology>Cellular and Molecular Biology>Cells>Nuclei, membranes, ribosomes, eukaryotes and prokaryotes

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True False: All cells have a cellular membrane.

True

Some cells have a membrane that separates the DNA from the rest of the cell. It is called the _____.

nucleus

eukaryotes

Organisms that have a nucleus in their cells

prokaryotes

organisms that do not have a nucleus, or have a non membrane bound nucleus, in their cells

Examples of eukaryotes

plants, animals, fungi

Examples of prokaryotes

bacterial, archaea

DNA is transcribed into mRNA that leaves the nucleus to be translated into proteins at the _____.

ribosome

Ribosomes are made up of ____ and ____.

proteins; rRNA

Where are ribosomes made?

in the nucleolus

True False: The nucleolus is a separate organelle from the nucleus.

False

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