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Answer» Option "D" is incorrect. Option "A" is correct. - ER always FORMS a network system.
- It is large network of membrane bound sheets and tubes.
- It look like LONG tubules or round oblong shapes.
Function of ER - Ribosomes present at the RER acts as the site of protien synthesis.
- SER helps in the synthesis of Lipids and fats which then helps in bulilding PLASMA membrane. This Process is known as Member biogenesis.
- Some other lipids and Protien functions as enzymes and Hormones.
- It also Provide surface for some BIOCHEMICAL activities.
- It also serve as a channel for transportation of material between cytoplasm and nucleus.
option "B" is also correct. - Golgi appratus helps in the formation of Lysosomes.
- During the disturbance of cellular metabolism or when the cell get damaged it MAY burst and digest their own cell.
- Lysosomes are kind of waste disposal system of the cell, it helps in cleaning the cell by digest foreign material as well as worn out cell Organelles.
- All the bacterias, microorganisms and Foreign materials end up in Lysosomes.
Option "c" is also correct. - Mitochondria is known as powerhouse of the cell as it helps in respiration.
- When the mitochondria needed energy for making new chemical compound and for mechanical work the ATP molecules breaks down to provide energy
- They are strange Organelles because they have their own DNA and Ribosomes.
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