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Chapter 1: The Living World
37 questions
Chapter 2: Biological Classification
33 questions
Chapter 3: Plant Kingdom
28 questions
Chapter 4: Animal Kingdom
45 questions
Chapter 5: Morphology of Flowering Plants
42 questions
Chapter 6: Anatomy of Flowering Plants
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Chapter 7: Structural Organization in Animals
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Chapter 8: Cell: The Unit of Life
39 questions
(a) not be bound by a membrane
(b) bound by a single membrane
(c) bound by a double membrane
Group the various sub-cellular organelles into these three categories.
Chapter 9: Biomolecules
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59 questions
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39 questions
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39 questions
Solving time: 4 mins
Structure and function are correlatable in living organisms. Can you justify this by taking plasma membrane as an example?
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Text solution
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The protein component present in membrane acts as a solute channels allowing the flow of minerals, hormones and cellular information from one organelle to another or from one cell to another.
In case of plants where minerals are absorbed actively from the soil. The plasma membrane possess proteinaceous carrier.
The oligosaccharides attached to membrane serve as recognition centres and help in recognising foreign entities before allowing them entry into the cell.
The lipid content of plasma membrane in plant and animal cells are arranged with their hydrophilic polar head directed outwards and non-polar hydrophobic tails directed inwards providing fluidity to the membrane. Glycocalyx present in cell membrane also helps in cellular attachment.
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| Question Text | Structure and function are correlatable in living organisms. Can you justify this by taking plasma membrane as an example? |
| Topic | Cell: The Unit of Life |
| Subject | Biology |
| Class | Class 11 |
| Answer Type | Text solution:1 |
| Upvotes | 110 |
