Cell membrane or plasma membrane is made up of
A) lipids
B) proteins
C) both lipids and proteins
D) cellulose
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1. Smallest cell 2. Longest cell in animals 3. Largest cell
1. Mycoplasma (0.3 µm) 2. Nerve cell 3. Ostrich egg
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1. Smallest cell 2. Longest cell in animals 3. Largest cell
2 Answers
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Give an account of eukaryotic plasma membrane.
Eukaryotic plasma membrane/ Cell membrane/ Biomembrane: 1. It is thin, quasi-fluid structure present both extracellularly and intracellularly. 2. Extracellularly, it is present around protoplast and intracellularly, it is present around most of...
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Explain the structure of plasma membrane on the basis of Fluid mosaic model.
Fluid mosaic model: 1. Fluid mosaic model was proposed by Singer and Nicholson (1972). 2. This model states that plasma membrane is made up of phospholipid bilayer and proteins. 3. Proteins are embedded...
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Give the functions of plasma membrane.
1. The significant function of plasma membrane is transport of molecules across it. Plasma membrane is selectively permeable. 2. Passive transport: a. Many molecules move across the membrane without spending energy. b. Some...
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The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) Endothelium of alveolar capillaries (C) Basement substances in betw
Correct Answer - Only B and C
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How transport vesicles identify their target cell or cell membrane?
While transport vesicles are leaving from the trans face of the Golgi, certain markers get impregnated on their membrane. These markers help them to identify their specific target cell or...
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Cell membrane is made up of mainly A) lipids and fats
B) lipids and proteins
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Plasma membrane is present in A) Only in plants B) Only in animals
C) Both plants and animals
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1. A cell is the smallest unit of life. 2. Nerve cell is the longest cell. 3. Prokaryotes were the first form of life on earth
1. True 2. True 3. True 4. True 5. True
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