Question

tell me the answer of questions 8 9 and10

Answer 1

8.Ribosomes helps in protein synthesis. They are unmembrane bound cell organelle found in both plants and animals.
9. Centerosome found in animal cell helps in cell division whereas Lysosmes are called "Suicidal Bags of Cell" because when any foreign material enter into the cell the Lysosmes burst and release chemicals which even destroys the cell.
10.Permeability means having the ability to allow the flow of water and other solutes through the membrane.Cell membrane and nuclear membrane are selectivity permeable membrane as they allow the flow of only some selected solutes through them.(that means all solutes cannot pass through them only selected once can...!!!)
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Answer 2

8)Function of Ribosomes. Ribosomes are a cell structure that makes protein. Protein is needed for many cell functions such as repairing damage or directing chemical processes. Ribosomes can be found floating within the cytoplasm or attached to the endoplasmic reticulum.

9)Lysosome: Lysosomes are cellular organelles that contain the hydrolase enzymes which breaks down waste materials and cellulardebris. They can be described as the stomach of the cell. ... Unlike the centrosomes inanimal cells, plant cell centrosomes do not have centrioles. I

10)Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion.



pic is of 10 question