Class 11 Exam > Class 11 Questions > Cell membrane is composed of -a)Proteins and ...
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Cell membrane is composed of -
- a)Proteins and cellulose
- b)Proteins and phospholipids
- c)Proteins and carbohydrates
- d)Proteins, phospholipids and some
carbohydrates
Correct answer is option 'D'. Can you explain this answer?
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Cell membrane is composed of -a)Proteins and celluloseb)Proteins and p...
Cell membrane composition:
The cell membrane, also known as the plasma membrane, is a vital component of all cells. It acts as a barrier that separates the internal contents of the cell from the external environment. The cell membrane is composed of various components, primarily proteins, phospholipids, and some carbohydrates.
Proteins:
- Integral Proteins: These proteins are embedded within the cell membrane and span across its entire width. They are responsible for transporting molecules in and out of the cell, as well as facilitating cell signaling and communication.
- Peripheral Proteins: These proteins are found on the surface of the cell membrane and are not embedded within it. They play a role in cell structure, cell adhesion, and cell signaling.
Phospholipids:
- Phospholipids are the main building blocks of the cell membrane. They form a lipid bilayer structure with hydrophobic tails facing inward and hydrophilic heads facing outward. This arrangement provides a stable barrier between the inside and outside of the cell.
Carbohydrates:
- Carbohydrates are present on the outer surface of the cell membrane, attached to proteins and lipids. They form glycoproteins and glycolipids, which are involved in cell recognition, cell adhesion, and immune responses.
Conclusion:
The cell membrane is composed of proteins, phospholipids, and some carbohydrates. These components work together to maintain the integrity of the cell and regulate the movement of molecules in and out of the cell.
The cell membrane, also known as the plasma membrane, is a vital component of all cells. It acts as a barrier that separates the internal contents of the cell from the external environment. The cell membrane is composed of various components, primarily proteins, phospholipids, and some carbohydrates.
Proteins:
- Integral Proteins: These proteins are embedded within the cell membrane and span across its entire width. They are responsible for transporting molecules in and out of the cell, as well as facilitating cell signaling and communication.
- Peripheral Proteins: These proteins are found on the surface of the cell membrane and are not embedded within it. They play a role in cell structure, cell adhesion, and cell signaling.
Phospholipids:
- Phospholipids are the main building blocks of the cell membrane. They form a lipid bilayer structure with hydrophobic tails facing inward and hydrophilic heads facing outward. This arrangement provides a stable barrier between the inside and outside of the cell.
Carbohydrates:
- Carbohydrates are present on the outer surface of the cell membrane, attached to proteins and lipids. They form glycoproteins and glycolipids, which are involved in cell recognition, cell adhesion, and immune responses.
Conclusion:
The cell membrane is composed of proteins, phospholipids, and some carbohydrates. These components work together to maintain the integrity of the cell and regulate the movement of molecules in and out of the cell.
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Cell membrane is composed of -a)Proteins and celluloseb)Proteins and phospholipidsc)Proteins and carbohydratesd)Proteins, phospholipids and somecarbohydratesCorrect answer is option 'D'. Can you explain this answer?
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Cell membrane is composed of -a)Proteins and celluloseb)Proteins and phospholipidsc)Proteins and carbohydratesd)Proteins, phospholipids and somecarbohydratesCorrect answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Cell membrane is composed of -a)Proteins and celluloseb)Proteins and phospholipidsc)Proteins and carbohydratesd)Proteins, phospholipids and somecarbohydratesCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cell membrane is composed of -a)Proteins and celluloseb)Proteins and phospholipidsc)Proteins and carbohydratesd)Proteins, phospholipids and somecarbohydratesCorrect answer is option 'D'. Can you explain this answer?.
Cell membrane is composed of -a)Proteins and celluloseb)Proteins and phospholipidsc)Proteins and carbohydratesd)Proteins, phospholipids and somecarbohydratesCorrect answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Cell membrane is composed of -a)Proteins and celluloseb)Proteins and phospholipidsc)Proteins and carbohydratesd)Proteins, phospholipids and somecarbohydratesCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cell membrane is composed of -a)Proteins and celluloseb)Proteins and phospholipidsc)Proteins and carbohydratesd)Proteins, phospholipids and somecarbohydratesCorrect answer is option 'D'. Can you explain this answer?.
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