Question

What happens when :
(i) Methylene blue stain is added to human cheek cell.
(ii) Rheo leaves are boiled in water and a drop of sugar is added to it.
(iii) RBCs are kept in concentrated solution.​

Answer 1

Answer:

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Answer 2

Answer:

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i) methylene blue causes the DNA in the nucleus to stand out so that the nucleus can clearly been seen in a light microscope

ii) When rheo leaves are boiled, this will shrink due to high temperature. The solute content within the leaves will falls out during heating due to osmosis.

iii) exosmosis occurs and the RBCs shrink due to excess loss of water