Question

Explain clearly.
Long type of Questions .

1. Illustrate only a plant cell as seen under electron microscope. How is it
different from animal cell?

2. Why does the skin of your finger shrink when you wash clothes for a long

time?

3. Name any cell organelle which is non membranous and explain it.

Note : Explaination needed .

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Answer 1

Under a microscope, plant cells are surrounded by cell wall, which are not present in animal cells. Explanation: Both plants cells and animal cells are eukaryotic cells, having true nucleus mitochondria, Golgi bodies, and other membrane-bound organelles.

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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. Our skin behaves as a semi-permeable membrane as it is porous. So actually the water is not absorbed here just leaving and thus it shrinks.

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A non-membranous cell organelle is ribosome. Ribosomes are extremely small, round bodies found either in the free state in the cytoplasm or attached to the surface of the ER.

Answer 2

Answer:

1) In plant cell vacuole is present

where as vacuole is not present in animal cell

Step-by-step explanation:

2)our skin does not absorb water and thus shrink

3)non membranous organelle is golgi body and chloroplast