Biology- One Liners

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Biology-One Liners

 

1-Structural element of cell wall is Microfibrils


 

2-Besides cellulose microfibrils, the other two cell wall networks are Pectic and glycoprotein


 

3-Pits are depressions in secondary walls.


 

4-Ripe fruits soften due to partial solubilisation of pectic compounds


 

5-Plasmodesmata were discovered and named by Strasburger

Strasburger
Strasburger

 

 

 

 

 


 

6- Secondary wall component of the cell wall is normally in contact with the plasmalemma


 

7-The structural material of fungal cell wall is Chitin


 

8-Primary wall grows by Intussusception


 

9-Hardness of woody tissue is due to Lignin


 

10-Glycocalyx is Oligosaccharide part of glycolipids and glycoproteins


 

11-The first wall layer of cell is Primary Wall


 

12-Middle lamella occurs outer to primary wall


 

13-Part of endoplasmic reticulum present in a plasmodesma is called Desmotubule


 

14-Plant cells are distinguishable from animal cells in containing Cell wall

Plant cells
Plant cells

 

 

 

 

 

Animal cells
Animal cells

 

 

 

 

 


 

15-E.R. was discovered from Liver cells


 

16- Endoplasmic matrix part of protoplast shows streaming or cyclosis


 

17-Cyclosis is caused by activity of Microfilaments


 

18-A ribosome is composed of two subunits


 

19-Lysosomes originate from Golgi apparatus


 

20-Golgi apparatus cell organelle is involved in formation of saliva, tears, and sweat.


 

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