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Question

The functional unit of golgi complex is _______.

A
Cristae
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B
Thylakoid
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C
Archoplasm
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D
Cisternae
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Solution

The correct option is B Cisternae
The electron microscope observations of thin sections of golgi complex reveal the presence of three membranous components :
1. Flattened sacs or cisternae
2. Small tubules and vesicles
3. Large vacuoles filled with an amorphous or granular substance
  • The cisternae or lamellae are the most constant elements of the golgi complex. They consist of flattened, parallel sacs piled one upon the other to form stacks.
  • The number of cisternae in a stack varies from species to species and sometimes from one developmental stage to another. In most animal and plant cells, there are 3 to 8 cisternae in a stack.
So, the correct answer is option D.

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