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Biology
Cell: The Unit of Life
137 questions from 38 papers, each with its answer.
- 137 questions
- 38 papers
- 3.89% of Biology
Endomembrane System - Golgi Apparatus
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The Golgi complex participates in
Golgi packages materials into secretory vesicles.
The Golgi complex, after processing, releases secretory vesicles from its trans-face.
Nucleus - nucleolus
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Which of the following is true for nucleolus?
Nucleolus synthesises rRNA and is not membrane-bound.
The nucleolus is a non-membranous structure and is a site of rRNA synthesis.
Chromosomes – types and special chromosomes
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Select the incorrect match:
Polytene chromosomes occur in dipteran salivary glands.
Polytene chromosomes are found in the salivary glands of insects of order Diptera, not in oocytes of amphibians (which have lampbrush chromosomes).
Endomembrane system – endoplasmic reticulum
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Which of the following events does not occur in rough endoplasmic reticulum?
Lipid synthesis is a function of SER.
Phospholipid synthesis does not take place in RER. Smooth endoplasmic reticulum is involved in lipid synthesis.
Ribosomes – polysomes
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Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as
Multiple ribosomes on one mRNA form a polysome.
The association of many ribosomes with a single mRNA leads to the formation of polyribosomes, polysomes or ergasomes.
That is every question in Cell: The Unit of Life for this filter.
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