Answer Structures Function Centrioles 1. Composed of proteins and rRNAs Cytosol 2. Region in prokaryotes contains a chromosome Golgi complex 3. ring of nine outer microtubule doublets (9+2 axoneme) Plasma membrane 4. Support the cell and protect against plasmolysis Ribosome 5. Composed of glycoprotein(s) and involved in transferring material into or out of the cell Transporters 6. contain hydrolytic enzymes and involved in autophagy Receptor 7. Composed of microtubules and sweep mucus out of respiratory tract Peroxisome 8. Controls which material can get in or out of the cell Nucleoid 9. Contains chromosomes and has nuclear envelope Cilia 10. Maintain membrane fluidity 11. contains necessary enzymes for that modify, sort, and package of proteins or lipids for extracellular or intracellular use 12. Fluids baths between organelles 13. Is a ligand-binding site and can receive specific signals from out of the cell 14. Contains catalase that converts H2O2 into H2O+O2
Structure and Composition of Cell Membrane
Despite differences in structure and function, all living cells in multicellular organisms are surrounded by a cell membrane. Just like the outer layer of the skin separates the body from its environment similarly, the cell membrane, also known as 'plasma membrane,' separates the inner content from its exterior environment.
Cell Membrane
The cell membrane is known by different names like plasma membrane or cytoplasmic membrane, or biological membrane. The term "cell membrane" was first introduced by C. Nageli and C. Cramer in the year 1855. Later on, in 1931, the term "plasmalemma" for cell membrane was given by J. Plowe. The cell membrane separates the cell's internal environment from the extracellular space. This separation allows the protection of cells from their environment.
Prokaryotes vs Eukaryotes
The cell is defined as the basic structural and functional unit of life. The cell membrane bounds it. It is capable of independent existence.
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Answer |
Structures |
Function |
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|
Centrioles |
1. Composed of proteins and rRNAs |
|
|
Cytosol |
2. Region in prokaryotes contains a chromosome |
|
|
Golgi complex |
3. ring of nine outer microtubule doublets (9+2 axoneme) |
|
|
Plasma membrane |
4. Support the cell and protect against plasmolysis |
|
|
Ribosome |
5. Composed of glycoprotein(s) and involved in transferring material into or out of the cell |
|
|
Transporters |
6. contain hydrolytic enzymes and involved in autophagy |
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|
Receptor |
7. Composed of microtubules and sweep mucus out of respiratory tract |
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|
Peroxisome |
8. Controls which material can get in or out of the cell |
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Nucleoid |
9. Contains chromosomes and has nuclear envelope |
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|
Cilia |
10. Maintain membrane fluidity |
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11. contains necessary enzymes for that modify, sort, and package of proteins or lipids for extracellular or intracellular use |
|
|
|
12. Fluids baths between organelles |
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|
|
13. Is a ligand-binding site and can receive specific signals from out of the cell |
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|
|
14. Contains catalase that converts H2O2 into H2O+O2 |
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