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As a general rule, practically all the internal organelles of a cell are covered by a protective membrane, except for one type, which couldn't even be called a real organelle, and those are the Ribosomes. More a macromolecular assemble than a cell organelle, the reason because they aren't membrane-bound is because they can directly interact with the membrane in order to exchange proteins, so, having their own membrane would actually act as a barrier for them to do their job correctly.

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Tiara Lebsack

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Q: Which are not covered by a membrane?
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Continue Learning about Natural Sciences

Does bacteria have a single membrane covered organelle?

No, bacteria does not have a single membrane covered organelle.


Where are cell parts packaged?

Scientifically explaining, they are membrane-covered organelles that are found only in the eukaryotic cell. Prokaryotic cells do not have membrane-covered organelles. The only organelle they have, not membrane-covered, are ribosomes.


What is a skeletal muscle covered with a mucous membrane?

The tongue


What stapes is attached to this membrane-covered opening?

oval window


Double membrane covered with pores?

nuclear envelope

Related questions

All eukaryotic cells have membrane-covered?

Membrane covered organelles.


Does bacteria have a single membrane covered organelle?

No, bacteria does not have a single membrane covered organelle.


Where are cell parts packaged?

Scientifically explaining, they are membrane-covered organelles that are found only in the eukaryotic cell. Prokaryotic cells do not have membrane-covered organelles. The only organelle they have, not membrane-covered, are ribosomes.


What are the mitochondria?

are oval, membrane-covered organelles


What is a double membrane that is covered with pores?

Phospholipid :)


What are not covered by a membrane?

a typical animal cell


What is a cell with membrane covered organelles?

Prokaryote


What is an eukaryote cells have membrane covered compartments when part of the cell membrane pinches off?

VESICLES


Membrane covered compartments that form when part of the cell membrane an object and pinches pinches?

vesicles


Are ribosomes covered by membrane?

No,they are not covered.They are also in prokariyotes.


What are the membrane covered compartments in an eukaryotic cell?

It is vesicles


What are the compartments eukaryotes have in membrane covered compartments?

Velssles