a) Define the phenomenon which has taken place
b)llow does a cell wall help a plant to withstand hypotonie extenual media without
bursting?
17. Draw the diagram or an animal cell as seen through an electron microscope, label the
parts that carry out the functions: Respiration, Secretion, Protein synthe , Transport
of material. Write the contribution of n) Robert Hooke, b) Leeuwenhock Robert Wow
IS. A cell is called the structural and functional unit of life. Explain.
What is the meaning of division of labour? Is it different from cell to cell?
19. Draw the nucleus of a cell and label the:
a) Double layered structure which encloses the nucleus.
b) Visible entangled mass of thread like structures.
c) A darkly stained round structure inside the nucleus.
ii) Name the two components of Chromosomes. Mention the role of nuclear pore.
iii) What does DNA molecule contain?
iv) Give one difference between cytoplasm and nucleoplasm. Pani
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Answer:
(b)cell wall is dead in nature and is fully-permeable in nature
Explanation:
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