Role of the Molecules Found in Membranes

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Role of the Molecules Found in Membranes: Overview

This topic covers concepts, such as, Cytoskeleton, Transport of Plasma Proteins, Membrane Protein, Role of the Molecules Found in Membrane & Cell to Cell Communication etc.

Important Questions on Role of the Molecules Found in Membranes

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Which of the following functions is carried out by cytoskeleton in a cell?

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Incorrect about eukaryotic flagella is

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An elaborate network of filamentous proteinaceous structures present in the cytoplasm is collectively known as:

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Which of the following is a chemical message that usually travels through the bloodstream to target cells?

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Which of the following signal molecules does not interact with cell surface receptors?

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Plasmodesmata are a type of cell communication.

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How do the cells communicate with each other?

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Elaborate the role of cholesterol in the membrane.

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Explain the role of phospholipid in a membrane.

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Which of the following is covalently attached to a lipid molecule in cell membrane?

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_____ is an example of plasma protein.

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The proteins that are present on the inner or outer surface of the phospholipid bilayer are called peripheral proteins.

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Microfilaments in eukaryotic cells are made up of

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An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called:

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Choose the functions of Cytoskeleton
I. Formation of cell plate during cell division.
II. Mechanical support.
III Cell motility.
IV. Intercellular transport.

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Cytoplasmic streaming is a characteristic of plant cells, Amoeba & WBC. It is caused by
 

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Long fibres of the cytoskeleton are

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The cell which lacks cytoskeleton is