Question

Give reasons for the following:

(16.1) Why we stain cheek cells while preparing a temporary mount?

(16.2) Why glycerin drop is required before putting the cover slip on the slide?

(16.3) Why skin of our fingers shrink if we wash clothes for longer time?​

Answer 1

Answer:

1) We added iodine to our cheek cells so that we could see them when we put them under the microscope. the cells are naturally clear so in order to be able to see them the must be dyed. 2 What structure in the cheek cell is stained the darkest? the nucleus is the structure that is stained the darkest.

2)We use glycerine for mounting onion feel for expelling bubbles which can be found between slides. ... Glycerine is a good dried out agent. It avoids the drying of the specimen. Additionally, glycerine has a tendency to reflect light because of its refractive nature.

3)When we wash clothes, our hands are exposed to water for a long time. Our hands behave as a hypertonic solution and the outside of our hands behave as a hypotonic solution. ... So actually the water is not absorbed here just leaving and thus it shrinks.

Explanation:

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