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Why are organelles surrounded by membranes?
Organelles are surrounded by membranes to provide a barrier that controls what substances can enter and exit the organelles. This helps to maintain the organelle's internal environment, protect its contents, and facilitate specific functions within the cell. Additionally, the membranes of organelles contain specialized proteins that are essential for the organelle's structure and function.
What are cells that have internal membranes surrounding organelles?
Animal and Plant cells have internal membranes surrounding organelles. Animal cells have a cell membrane protecting the organelles. Plant cells have a cell membrane as well as a cell wall surrounding organelles.
In what organelles does osmosis occur?
Osmosis primarily occurs in the cell's membrane (plasma membrane) and in the membrane-bound organelles such as the endoplasmic reticulum, Golgi apparatus, and vacuoles, where water molecules move across the membranes to maintain the cell's internal balance.
Which best describes a difference between prokaryotic cells and eukaryotic cells?
Eukaryotic cells contain organelles that are enclosed in membranes
Are cell membranes in prokaryotic and eukaryotic cells different in structure and function?
Yes, cell membranes in prokaryotic and eukaryotic cells have similar structures but differ in some aspects of their functions. Prokaryotic cell membranes lack membrane-bound organelles, while eukaryotic cell membranes contain them. Both types of cell membranes regulate the passage of substances in and out of the cell, but eukaryotic cell membranes are more complex due to the presence of organelles.
Why are organelles surrounded by membranes?
Organelles are surrounded by membranes to provide a barrier that controls what substances can enter and exit the organelles. This helps to maintain the organelle's internal environment, protect its contents, and facilitate specific functions within the cell. Additionally, the membranes of organelles contain specialized proteins that are essential for the organelle's structure and function.
Why is it important for photosynthesis to happen inside organelles with internal membranes?
Photosynthesis requires specific conditions and structures that are provided by organelles with internal membranes, such as chloroplasts. These organelles have specialized compartments that allow for the separation of different stages of photosynthesis, which increases efficiency. Additionally, the internal membranes provide a larger surface area for the necessary biochemical reactions to take place.
What are cells that have internal membranes surrounding organelles?
Animal and Plant cells have internal membranes surrounding organelles. Animal cells have a cell membrane protecting the organelles. Plant cells have a cell membrane as well as a cell wall surrounding organelles.
Plasma membranes that have been isolated from red blood cell are not contaminted by internal cell membane?
Plasma membranes isolated from a red blood cell will not be contaminated with internal cell membrane (i.e. membrane from cell organelles - small structures found within cells) because red blood cells do not contain any organelles, so there will be no 'internal membrane' to contaminate.
What organelles do not have membranes?
Prokaryotes
Does the eukaryote membrane bound organelles?
the membranes of eukaryotes form organelles. E.g. endoplasmic reticulum is made of membranes.
Do prokaryote cells contain organelles?
They do but the organelles are not bound in membranes.
What structures are bound by membranes?
Organelles.
What type of cell dose not have any membrane bound organelles?
Prokaryotic cells do not have membrane bound organelles.
How are organisms in the domain Eukarya different from those in the domain Archaea?
Archaea have no nucleus
Do Eukayote cells have membrane bound organelles?
Yes, the organelles in eukayote cells are wrapped in membranes.
What cells have internal membranes and plasma membranes?
Eukaryotic cells.
