Before 1940, scientists could view the cell only under a light microscope. The invention of the electron microscope in 1940 enabled the scientists to observe the cell in greater detail.
Question
Why were the scientists not able to observe most of the cell organelles before 1940?
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If cells of onion peel and RBC are separately kept in hypotonic solution, what will happen to each of them? Explain the reason for your answer. (a) Both the cells will swell. (b) RBC will burst easily while cells of onion peel will resist the bursting to some extent. (c) (a) and (b) both are correct. (d) RBC and onion peel cells will behave similarly.
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