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Questions and Answers
What is the fundamental structure of the cell membrane?
What is the fundamental structure of the cell membrane?
Which prokaryotes are mentioned in the text?
Which prokaryotes are mentioned in the text?
Why are cell membranes referred to as semi-permeable or selectively permeable?
Why are cell membranes referred to as semi-permeable or selectively permeable?
What is the main function of the plasma membrane?
What is the main function of the plasma membrane?
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Which organelle is responsible for photosynthesis in prokaryotes?
Which organelle is responsible for photosynthesis in prokaryotes?
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Where is the lipid bilayer found in a cell?
Where is the lipid bilayer found in a cell?
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What types of reactions occur within a prokaryotic cell?
What types of reactions occur within a prokaryotic cell?
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What does the plasma membrane separate inside the cell?
What does the plasma membrane separate inside the cell?
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Which structures carry out specific functions of the plasma membrane?
Which structures carry out specific functions of the plasma membrane?
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What provides a fixed environment inside a cell?
What provides a fixed environment inside a cell?
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Study Notes
Cell Membrane Structure
- The cell membrane is composed of a phospholipid bilayer, also known as a lipid bilayer, which is semi-permeable or selectively permeable.
Prokaryotes
- The text mentions unspecified prokaryotes, which are cells that lack a true nucleus.
Functions of the Plasma Membrane
- The main function of the plasma membrane is to separate the interior of the cell from its environment.
- The plasma membrane is responsible for regulating the movement of materials in and out of the cell.
Organelles in Prokaryotes
- There is no specific organelle responsible for photosynthesis in prokaryotes, as they lack membrane-bound organelles.
Lipid Bilayer Location
- The lipid bilayer is found in the plasma membrane of a cell.
Reactions in Prokaryotes
- Prokaryotic cells carry out metabolic reactions, such as glycolysis and fermentation.
Functions of Plasma Membrane Structures
- The plasma membrane has structures called transport proteins that carry out specific functions, such as transporting molecules across the membrane.
Cell Environment
- The plasma membrane provides a fixed environment inside a cell by regulating the movement of materials in and out.
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Description
Test your knowledge on cell membranes and prokaryotic cells, including the phospholipid bilayer structure and the characteristics of prokaryotes such as Bacteria and Archaea. Learn about the functions of proteins embedded within the membrane and their roles in cell transport.
