short answer type questions
1.Differentiale between RER and SER
2.What is brownian motion? What does it prove?
3 What is sublimation? Name two substances which undergo sublimation.
4.A racing car has a uniform acceleration of 4 m/sec .What distance will it over in
10 seconds?
anything which is incorrect in question please don't angry on me please tell answer
Answers
1)
Difference between smooth and Rough endoplasmic Reticulum (SER/RER)
SER RER
1. Presence of ribosomes absent present
2. origin from the REB by giving of ribosomes. from the outer nuclear membrane
3. location incell in the cytoplasm near the cell membrane in the cytoplasm near the nucleus
4. production and storage lipids and proteins proteins
2)Einstein declared that the observed movement of the particles was caused by the continuous collisions from all directions of the particles with the individual water molecules. ... The Brownian movement can be considered the ultimate proof that in a gas or liquid, molecules are continuously in motion
3)The changing of a solid directly into vapor (or gas) is called sublimation. The changing of vapor (or gas) directly into solid is called sublimation. The common substances which undergo sublimation are Iodine, Camphor, Naphthalene and Anthracene
4)Therefore, the car will cover a distance of 200 meters after 10 seconds.
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