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Earn 100

The possible structure of plasma membrane was deduced from chemical studies in _____A._____ Cell membrane is composed of _____B_____ that are arranged in a bilayer. The most widely accepted model of plasma membrane is _____C_____ proposed by _____D_____.
(a)A - human RBC, D-Robertson
(b)B- lipids, C - Fluid mosaic model
(c)B-proteins, D- Singer and Nicolson
(d)A-nerve cell, B - lipids

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Important Questions on Cell : The Unit of Life
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Bacteria, Ostrich egg, Mycoplasma, Human RBC |

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A - Cytoplasm is a semi fluid matrix that occupies the volume of the cell only in eukaryotic cells
B - It is the main arena of cellular activities

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(a) Cell growth & cell division
(b) Formation of intercellular junctions
(c) Endocytosis

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i | Plasmodesmata | a | Nuclear matrix |
ii | Kinetochores | b | Thick and tough glycocalyx |
iii | Nucleoplasm | c | Disc shaped structure on centromere |
iv | Capsule | d | Cytoplasmic connections |

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