Which of the following is true for nucleolus?

1. Larger nucleoli are present in dividing cells.
2. It is a membrane-bound structure.
3. It takes part in spindle formation.
4. It is a site for active ribosomal RNA synthesis.

Subtopic:  Nucleus |
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The Golgi complex participates in
1. Fatty acid breakdown
2. Formation of secretory vesicles
3. Respiration in bacteria
4. Activation of amino acid

 

Subtopic:  Golgi Apparatus |
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Which of the following events does not occur in rough endoplasmic reticulum ?
1. Protein folding
2. Protein glycosylation
3. Cleavage of signal peptide
4. Phospholipid synthesis

 

Subtopic:  Intro to Endomembrane System: Endoplasmic Reticulum |
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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
1. Polysome
2. Polyhedral bodies
3. Plastidome
4. Nucleosome

 

Subtopic:  Ribosome and Inclusion Bodies |
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Select the incorrect match:
1. Lampbrush – Diplotene bivalents chromosomes
2. Allosomes – Sex chromosomes
3. Submetacentric – L-shaped chromosomes
4. Polytene – Oocytes of amphibians chromosomes
Subtopic:  Nucleus: Chromosomes |
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Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

(1) Bacillus

(2) Pseudomonas

(3) Mycoplasma

(4) Nostoc

Subtopic:  Prokaryotic Cell Organisation |
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Which of the following components provides sticky character to the bacterial cell?

1. Nuclear membrane

2. Plasma membrane

3. Glycocalyx

4. Cell Wall

Subtopic:  Details of Prokaryotic Cell Structure |
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Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
1. Ribosome
2. Chloroplast
3. Mitochondrion
4. Lysosome

Subtopic:  Mitochondria |
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Select the mismatch.

1. Gas vacuoles — Green bacteria Cells

2. Large central vacuoles — Animal cells

3. Protists — Eukaryotes

4. Methanogens — Prokaryotes

Subtopic:  Vacuole |
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A cell organelle containing hydrolytic enzyme is

(1) lysosome                         

(2) microsome

(3) ribosome                         

(4) mesosome

Subtopic:  Endomembrane System (Lysosomes) |
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