Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Identify the correctly matched pair. (1) Nucleolus ? RNA synthesis (2) Spherosome ?Transport of macro- molecules (3) Glyoxysome ? Glyoxylate cyde (4) Plasmodesmata ? Lipid storageA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: D
Solution :
Nucleolus is one of the most important sites of RNA (rRNA) synthesis. Spherosome is the single membrane bound, spherical structure in plant cell cytoplasm. Apparently, these are the centres of lipid synthesis and accumulation. Glyoxysomes contain high concentrations of the enzymes of glyoxylate cycle, a metabolic pathway unique to plants that converts stored fats to carbohydrates during seed germination. Plasmodesmata are the cytoplasmic connections, which facilitate movement of molecules between adjoining cells.
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