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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_____.

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Important Questions on Cell : The Unit of Life

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Arrange the following cells in descending order of their size and choose the correct option.
Bacteria, Ostrich egg, Mycoplasma, Human RBC
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Which of the following statements about plastids is incorrect?
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The axoneme of eukaryotic flagella usually has
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Read statements A and B and choose the correct option.
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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The fluid nature of the membrane helps to perform functions like
(a) Cell growth & cell division
(b) Formation of intercellular junctions
(c) Endocytosis
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Match the following.
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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The site for r-RNA synthesis is